Best Dressed of the Week: J.Lo Brings the Drama

Plus, Rita Ora's sexy red dress, Solange's heels and more.

Jennifer Lopez - Jennifer poses with her new star on the Hollywood Walk of Fame in L.A. in a dramatic Christian Dior skirt, cashmere top (also by the designer) and black Brian Atwood pumps.  (Photo: John Shearer/Invision/AP)

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Jennifer Lopez - Jennifer poses with her new star on the Hollywood Walk of Fame in L.A. in a dramatic Christian Dior skirt, cashmere top (also by the designer) and black Brian Atwood pumps. (Photo: John Shearer/Invision/AP)

Beyoncé   - Queen Bey attends the 40/40 Club’s anniversary party in New York looking flawless in this plunging white Roberto Cavalli gown with sexy midriff cutout and bone-straight strands.  (Photo: Kevin Mazur/WireImage)

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Beyoncé - Queen Bey attends the 40/40 Club’s anniversary party in New York looking flawless in this plunging white Roberto Cavalli gown with sexy midriff cutout and bone-straight strands. (Photo: Kevin Mazur/WireImage)

Photo By Photo: Kevin Mazur/WireImage

Rita Ora photocall to launch Xperia Access for Sony in London

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Rita Ora - The blonde bombshell strikes a pose in her red Natalia Kaut dress (featuring sheer panels) while at a Sony event in London. She pulls it all together with gold jewelry and ankle-strap sandals. (Photo: Mirrorpix / Splash News)

Photo By Photo: Mirrorpix / Splash News

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Kerry Washington - How adorable is Kerry Washington’s two-toned dress and pinned up hair? She styles it with a metallic envelope clutch and cap-toe pumps (both by Jimmy Choo) at the brand’s bash with Esquire in London. (Photo: Nick Harvey/WireImage)

Photo By Photo: Nick Harvey/WireImage

Chrissy Teigen - John Legend’s model girlfriend lets it all hang out in her short-shorts and white tank for an appearance at the Gillette Venus tour in L.A. She completes her look with a colorful statement necklace.    (Photo: David Livingston/Getty Images)

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Chrissy Teigen - John Legend’s model girlfriend lets it all hang out in her short-shorts and white tank for an appearance at the Gillette Venus tour in L.A. She completes her look with a colorful statement necklace.  (Photo: David Livingston/Getty Images)

Photo By Photo: David Livingston/Getty Images

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Octavia Spencer - At a screening for Fruitvale Station in Oakland, California, the actress drapes her curves in a figure-flattering little black dress.  (Photo: Trisha Leeper/WireImage)

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Octavia Spencer - At a screening for Fruitvale Station in Oakland, California, the actress drapes her curves in a figure-flattering little black dress. (Photo: Trisha Leeper/WireImage)

Dateline: Berlin, June 19, 2013 - The first lady attends a dinner honoring her husband at the Orangerie of Schloss Charlottenburg palace in Berlin.   (Photo: Sean Gallup/Getty Images)

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Michelle Obama - Our first lady pairs her kitten heels with a gorgeous full-skirted patterned dress by Carolina Herrera at a dinner in honor of President Obama in Berlin. (Photo: Sean Gallup/Getty Images)

Casual Cool - While performing at the 2013 Northside Festival in Brooklyn, New York, our heroine rocks the mic in a relaxed striped tee, distressed denim shorts and an Ankara cap, adding gray bandage-wrap pumps to finish.   (Photo: Mike Lawrie/Getty Images)

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Solange - Solange takes the stage at the 2013 Northside Festival in Brooklyn, N.Y., in a very laid-back outfit, sporting denim shorts, a striped tee and Ankara cap. She finishes the look with gray bandage-style pumps. (Photo: Mike Lawrie/Getty Images)

Ashley Madekwe  - Here’s the perfect fit for the weekend. The Revenge actress hits InStyle's handbag launch party in West Hollywood in her boyfriend jeans, floral top, strappy heels and cobalt blue clutch.  (Photo: Michael Buckner/Getty Images for InStyle)

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Ashley Madekwe - Here’s the perfect fit for the weekend. The Revenge actress hits InStyle's handbag launch party in West Hollywood in her boyfriend jeans, floral top, strappy heels and cobalt blue clutch. (Photo: Michael Buckner/Getty Images for InStyle)

Naya Rivera - Also at InStyle’s shindig, Naya Rivera stuns in her glittery Naeem Khan mini. She accessorizes with gold pumps and a sleek beehive.  (Photo: Michael Buckner/Getty Images for InStyle)

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Naya Rivera - Also at InStyle’s shindig, Naya Rivera stuns in her glittery Naeem Khan mini. She accessorizes with gold pumps and a sleek beehive. (Photo: Michael Buckner/Getty Images for InStyle)