Out and About: Jennifer Lopez Wows Crowd in Sydney

Plus pics of Mariah, Christina Milian, Rihanna and more.

Show Girl - Jennifer Lopez shows why she's still on top. The 43-year-old mother of twins Max and Emme has got the body of women half her age, wearing a barely there sequin jumpsuit while performing on stage at Allphones Arena in Sydney. (Photo: Don Arnold/WireImage)

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Show Girl - Jennifer Lopez shows why she's still on top. The 43-year-old mother of twins Max and Emme has got the body of women half her age, wearing a barely there sequin jumpsuit while performing on stage at Allphones Arena in Sydney. (Photo: Don Arnold/WireImage)

Comfy Travel Steez - Rihanna lands in Los Angeles' LAX airport wearing sweat pants, Timberland boots and an oversized parka. The pop star has been jet setting all over the globe while promoting her new album, Unapologetic. Here's to this hardworking diva getting some good R&R over the holidays. (Photo: JB Lacroix/WireImage)

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Comfy Travel Steez - Rihanna lands in Los Angeles' LAX airport wearing sweat pants, Timberland boots and an oversized parka. The pop star has been jet setting all over the globe while promoting her new album, Unapologetic. Here's to this hardworking diva getting some good R&R over the holidays. (Photo: JB Lacroix/WireImage)

Say Cheese - American Idol judge Mariah Carey is spotted arriving on the show's Los Angeles set.  (Photo: Sam Sharma/Miguel Aguilar, PacificCoastNews.com)

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Say Cheese - American Idol judge Mariah Carey is spotted arriving on the show's Los Angeles set.  (Photo: Sam Sharma/Miguel Aguilar, PacificCoastNews.com)

Photo By Photo: Sam Sharma/Miguel Aguilar

All Black Everything - Singer Christina Milian, who stopped by 106 & Park yesterday, was spotted rocking a black fur vest and leather jumper as she headed out into the streets of New York City. (Photo: Felipe Ramales, PacificCoastNews.com)

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All Black Everything - Singer Christina Milian, who stopped by 106 & Park yesterday, was spotted rocking a black fur vest and leather jumper as she headed out into the streets of New York City. (Photo: Felipe Ramales, PacificCoastNews.com)

Goldilocks - Hip pop star and American Idol judge Nicki Minaj arrives for the auditions taping of Hollywood week in Los Angeles wearing all black, including velvet pants and a quilted leather motorcyle jacket. (Photo: Cousart-Rayne/JFXimages/WENN.com)

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Goldilocks - Hip pop star and American Idol judge Nicki Minaj arrives for the auditions taping of Hollywood week in Los Angeles wearing all black, including velvet pants and a quilted leather motorcyle jacket. (Photo: Cousart-Rayne/JFXimages/WENN.com)

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Good Deeds - Kanye West hits the stage in a black leather kilt and hoodie to perform at "12-12-12," a concert benefiting The Robin Hood Relief Fund to aid victims of Hurricane Sandy. The concert, which aired on HBO was presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company and held at Madison Square Garden in New York City. (Photo: Larry Busacca/Getty Images for Clear Channel)

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Good Deeds - Kanye West hits the stage in a black leather kilt and hoodie to perform at "12-12-12," a concert benefiting The Robin Hood Relief Fund to aid victims of Hurricane Sandy. The concert, which aired on HBO was presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company and held at Madison Square Garden in New York City. (Photo: Larry Busacca/Getty Images for Clear Channel)

Sweet Charity - Sean "Diddy"Combs arrives at the "12-12-12" concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy at Madison Square Garden in New York City. (Photo: Dimitrios Kambouris/Getty Images)

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Sweet Charity - Sean "Diddy"Combs arrives at the "12-12-12" concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy at Madison Square Garden in New York City. (Photo: Dimitrios Kambouris/Getty Images)

Photo By Photo: Dimitrios Kambouris/Getty Images

Posted Up - Carmelo Anthony and Swizz Beatz pose backstage during the "12-12-12" concert benefiting The Robin Hood Relief Fund to aid victims of Hurricane Sandy. The show was presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company and held at Madison Square Garden in New York City. (Photo: Kevin Mazur/WireImage for Clear Channel)

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Posted Up - Carmelo Anthony and Swizz Beatz pose backstage during the "12-12-12" concert benefiting The Robin Hood Relief Fund to aid victims of Hurricane Sandy. The show was presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company and held at Madison Square Garden in New York City. (Photo: Kevin Mazur/WireImage for Clear Channel)

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Danger: Curves Ahead - Kim Kardashian shows off her bodacious bod while filming a scene on her spin-off reality series Kourtney & Kim Take Miami  with older sister, Kourtney, at their Dash boutique in Miami Beach. (Photo: PacificCoastNews.com)

Gun Slinger - LL Cool J gets serious on the set of his CBS show NCIS: Los Angeles, whipping out a gun and taking out a bad guy while filming a scene on the streets of Los Angeles. (Photo: Icono, PacificCoastNews.com)

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Gun Slinger - LL Cool J gets serious on the set of his CBS show NCIS: Los Angeles, whipping out a gun and taking out a bad guy while filming a scene on the streets of Los Angeles. (Photo: Icono, PacificCoastNews.com)

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Birthday Suit - Basketball Wives star Evelyn Lozada unveils her new 'I'd Rather Go Naked Than Wear Fur' campaign for PETA held at the Bob Barker Building in Los Angeles, California. (Photo: Daniel Tanner/WENN.com)

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Birthday Suit - Basketball Wives star Evelyn Lozada unveils her new 'I'd Rather Go Naked Than Wear Fur' campaign for PETA held at the Bob Barker Building in Los Angeles, California. (Photo: Daniel Tanner/WENN.com)

Leading Men - Stars of the new Quentin Tarantino film Django Unchained, Jamie Foxx and Samuel L. Jackon, share a moment on the red carpet of the movie's NYC screening, held at the Ziegfeld Theater. The controversial motion picture set during the American slave era is slated for release on Christmas Day. (Photo: Stephen Lovekin/Getty Images)

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Leading Men - Stars of the new Quentin Tarantino film Django Unchained, Jamie Foxx and Samuel L. Jackon, share a moment on the red carpet of the movie's NYC screening, held at the Ziegfeld Theater. The controversial motion picture set during the American slave era is slated for release on Christmas Day. (Photo: Stephen Lovekin/Getty Images)

Just Touched Down - Superproducer Pharrell Williams is spotted arriving on a flight at LAX airport in Los Angeles, California wearing lots of layers. Word on the street is that the N.E.R.D. front man just listed his Miami Beach Penthouse for $16.8 million. We'd love to see the inside of those digs.  (Photo: FameFlynet)

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Just Touched Down - Superproducer Pharrell Williams is spotted arriving on a flight at LAX airport in Los Angeles, California wearing lots of layers. Word on the street is that the N.E.R.D. front man just listed his Miami Beach Penthouse for $16.8 million. We'd love to see the inside of those digs.  (Photo: FameFlynet)

A Noble Performance - Ne-Yo and Jennifer Hudson serenade the crowds during a performance at the Nobel Peace Prize Concert at Oslo Spektrum in Oslo, Norway. (Photo: Ragnar Singsaas/Getty Images)

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A Noble Performance - Ne-Yo and Jennifer Hudson serenade the crowds during a performance at the Nobel Peace Prize Concert at Oslo Spektrum in Oslo, Norway. (Photo: Ragnar Singsaas/Getty Images)

All Black Everything - Actors Niecy Nash and Anthony Anderson help announce the 44th Annual NAACP Image Awards Nominations at a press conference held at The Paley Center for Media in Beverly Hills, California. (Photo: Alexandra Wyman/Getty Images for NAACP)

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All Black Everything - Actors Niecy Nash and Anthony Anderson help announce the 44th Annual NAACP Image Awards Nominations at a press conference held at The Paley Center for Media in Beverly Hills, California. (Photo: Alexandra Wyman/Getty Images for NAACP)

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All Grown-Up - Justin Bieber performs onstage during Hot 99.5's Jingle Ball 2012, presented by Charleston Alexander Diamond Importers at The Patriot Center in Washington, D.C. (Photo: Theo Wargo/Getty Images for Jingle Ball 2012)

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All Grown-Up - Justin Bieber performs onstage during Hot 99.5's Jingle Ball 2012, presented by Charleston Alexander Diamond Importers at The Patriot Center in Washington, D.C. (Photo: Theo Wargo/Getty Images for Jingle Ball 2012)

Multi-Tasking Mama - Kelis talks on her mobile phone while shopping at Saks Fifth Avenue with her son Knight hoisted on her hip in Beverly Hills, California. The avant garde songstress looks great with her new dark curly locks and blonde streak.(Photo: Michael Wright/WENN.com)

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Multi-Tasking Mama - Kelis talks on her mobile phone while shopping at Saks Fifth Avenue with her son Knight hoisted on her hip in Beverly Hills, California. The avant garde songstress looks great with her new dark curly locks and blonde streak.(Photo: Michael Wright/WENN.com)

Dynamic Duo - Our favorite couple, Beyoncé and Jay Z, attend the JR and Brooklyn artist Jose Parlá film screening of The Wrinkles of the City Havana Cuba as part of Art Basel Miami at the Standard Spa. (Photo: Billy Farrell/BFAnyc/Sipa)

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Dynamic Duo - Our favorite couple, Beyoncé and Jay Z, attend the JR and Brooklyn artist Jose Parlá film screening of The Wrinkles of the City Havana Cuba as part of Art Basel Miami at the Standard Spa. (Photo: Billy Farrell/BFAnyc/Sipa)

Ravishing Red - Rihanna looks stunning in red fur as she leaves a recording studio in Paris. The mega pop star jetted over to Paris from Germany to spend time with Chris Brown. (Photo: FameFlynet)

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Ravishing Red - Rihanna looks stunning in red fur as she leaves a recording studio in Paris. The mega pop star jetted over to Paris from Germany to spend time with Chris Brown. (Photo: FameFlynet)

Photo By Photo: FameFlynet

Solo Star - Solange Knowles brings her signature eclectic style to Late Night With Jimmy Fallon to perform songs off her new LP, True.  (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

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Solo Star - Solange Knowles brings her signature eclectic style to Late Night With Jimmy Fallon to perform songs off her new LP, True.  (Photo: Lloyd Bishop/NBC/NBCU Photo Bank)

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Rockin' Rapper - Wiz Khalifa seamlessly manages to represent punk rock style and hip hop flavor. Here, the soon-to-be papa arrives at The Wendy Williams Show in New York City to promote his new album, O.N.I.F.C. (Photo: Enrique RC, PacificCoastNews.com)

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Rockin' Rapper - Wiz Khalifa seamlessly manages to represent punk rock style and hip hop flavor. Here, the soon-to-be papa arrives at The Wendy Williams Show in New York City to promote his new album, O.N.I.F.C. (Photo: Enrique RC, PacificCoastNews.com)

88123, MIAMI, FLORIDA - Sunday December 9, 2012. A loved up Russell Simmons and his model girlfriend Hana Nitsche enjoy the warm weather as they get close during a day at the beach. Nitsche, who sported a rather revealing two-piece bikini, sun bathed at the water's edge before joking around with Simmons as he tried to stretch. (Photo: PacificCoastNews.com)

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88123, MIAMI, FLORIDA - Sunday December 9, 2012. A loved up Russell Simmons and his model girlfriend Hana Nitsche enjoy the warm weather as they get close during a day at the beach. Nitsche, who sported a rather revealing two-piece bikini, sun bathed at the water's edge before joking around with Simmons as he tried to stretch. (Photo: PacificCoastNews.com)

Queen of Hearts - Jennifer Lopez poses on her throne, a stage prop used for her upcoming show at Rod Laver Arena in Melbourne, Australia. This is J.Lo's first international tour of the land down under. (Photo: Scott Barbour/Getty Images)

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Queen of Hearts - Jennifer Lopez poses on her throne, a stage prop used for her upcoming show at Rod Laver Arena in Melbourne, Australia. This is J.Lo's first international tour of the land down under. (Photo: Scott Barbour/Getty Images)

Neutral - Kim Kardashian heads to lunch with her sister Kourtney and younger brother, Rob, to celebrate the launch of his new new sock line, Arthur George, ahead of its launch at Neiman Marcus Bal Harbour later in the afternoon. Kim wore a palette of cream and golds, including nude shades, shoes and even lips. (Photo: Brett Kaffee/Thibault Monnier, PacificCoastNews.com)

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Neutral - Kim Kardashian heads to lunch with her sister Kourtney and younger brother, Rob, to celebrate the launch of his new new sock line, Arthur George, ahead of its launch at Neiman Marcus Bal Harbour later in the afternoon. Kim wore a palette of cream and golds, including nude shades, shoes and even lips. (Photo: Brett Kaffee/Thibault Monnier, PacificCoastNews.com)

Shop Girl - Angela Simmons is spotted partaking in her favorite pass time — shopping. The reality star and daughter of Rev. Run arrives at Saks on Fifth Avenue in Beverly Hills, California. (Photo:  FameFlynet)

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Shop Girl - Angela Simmons is spotted partaking in her favorite pass time — shopping. The reality star and daughter of Rev. Run arrives at Saks on Fifth Avenue in Beverly Hills, California. (Photo:  FameFlynet)

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Bottles and Models - Sean Diddy Combs and Fat Joe celebrate producer Rico Love's 30th birthday in Miami. (Photo: Johnny Nunez/WireImage)

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Bottles and Models - Sean Diddy Combs and Fat Joe celebrate producer Rico Love's 30th birthday in Miami. (Photo: Johnny Nunez/WireImage)

Photo By Photo: Johnny Nunez/WireImage

Pixie Chick - Rihanna, rocking her cute crop cut again, performs a live rendition of her new single, "Stay," on the long-running German television series Wetten, dass…? in Freiburg im Breisgau, Germany.  (Photo: Handout/Getty Images)

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Pixie Chick - Rihanna, rocking her cute crop cut again, performs a live rendition of her new single, "Stay," on the long-running German television series Wetten, dass…? in Freiburg im Breisgau, Germany.  (Photo: Handout/Getty Images)

Rumors - Chris Brown is spotted leaving his hotel in Paris with his entourage.  (Photo: FameFlynet)

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Rumors - Chris Brown is spotted leaving his hotel in Paris with his entourage.  (Photo: FameFlynet)

Photo By Photo: FameFlynet

Holidays With the Obamas - The first family joins queen diva Diana Ross on stage during TNT Christmas in Washington 2012 at National Building Museum in Washington, D.C. (Photo: Kevin Mazur/WireImage)

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Holidays With the Obamas - The first family joins queen diva Diana Ross on stage during TNT Christmas in Washington 2012 at National Building Museum in Washington, D.C. (Photo: Kevin Mazur/WireImage)

Classic Hunk - Will Smith is casually dressed as he scopes out an exhibit during Art Basel in Miami Beach. The actor keeps getting better with time. (Photo: Credit: WENN.com)

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Classic Hunk - Will Smith is casually dressed as he scopes out an exhibit during Art Basel in Miami Beach. The actor keeps getting better with time. (Photo: Credit: WENN.com)

Photo By Photo: Credit: WENN.com

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Wonder Girl - Hip hop ingenue Azealia Banks hits the stage and performs at the OHWOW and HTC celebration of the release of "Terrywod" with Terry Richardson at the Standard Hotel and Spa in Miami Beach, Florida. (Photo: Frazer Harrison/Getty Images for HTC)

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Wonder Girl - Hip hop ingenue Azealia Banks hits the stage and performs at the OHWOW and HTC celebration of the release of "Terrywod" with Terry Richardson at the Standard Hotel and Spa in Miami Beach, Florida. (Photo: Frazer Harrison/Getty Images for HTC)

Don't Blend In - Pharrell Williams rocks a camouflage short suit at the OHWOW and HTC celebration of the release of "Terrywood" with Terry Richardson at the Standard Hotel and Spa in Miami Beach, Florida. (Photo: Frazer Harrison/Getty Images for HTC)

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Don't Blend In - Pharrell Williams rocks a camouflage short suit at the OHWOW and HTC celebration of the release of "Terrywood" with Terry Richardson at the Standard Hotel and Spa in Miami Beach, Florida. (Photo: Frazer Harrison/Getty Images for HTC)

Photo By Photo: Frazer Harrison/Getty Images for HTC

Heavy Hitters - Curtis 50 Cent Jackson poses with former heavyweight champion Mike Tyson on stage during the official weigh-in for Michael Farenas and Yuriorkis Gamboa at the MGM Grand Garden Arena in Las Vegas. (Photo: Jeff Bottari/Getty Images)

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Heavy Hitters - Curtis 50 Cent Jackson poses with former heavyweight champion Mike Tyson on stage during the official weigh-in for Michael Farenas and Yuriorkis Gamboa at the MGM Grand Garden Arena in Las Vegas. (Photo: Jeff Bottari/Getty Images)

Photo By Photo: Jeff Bottari/Getty Images

Sam, I Am - Host Samuel L. Jackson arrives at Spike TV's 10th annual Video Game Awards at Sony Pictures Studios in Culver City, California. Look out for him in the Quentin Tarantino slave-era drama Django Unchained, out this month. (Photo: Kevin Winter/Getty Images)

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Sam, I Am - Host Samuel L. Jackson arrives at Spike TV's 10th annual Video Game Awards at Sony Pictures Studios in Culver City, California. Look out for him in the Quentin Tarantino slave-era drama Django Unchained, out this month. (Photo: Kevin Winter/Getty Images)