Best Dressed of the Week: Rihanna Flosses in Moschino

Plus, must-see looks from Jennifer Lopez and others.

Rihanna - Rih works a sequin Moschino Pre-Fall 2015 frock and Louboutin pumps at the Daily Front Row’s Fashion Los Angeles Awards in West Hollywood. She strikes gold with this look! By Jazmine A. Ortiz(Photo: Frederick M. Brown/Getty Images)

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Rihanna - Rih works a sequin Moschino Pre-Fall 2015 frock and Louboutin pumps at the Daily Front Row’s Fashion Los Angeles Awards in West Hollywood. She strikes gold with this look! By Jazmine A. Ortiz(Photo: Frederick M. Brown/Getty Images)

Photo By Photo: Frederick M. Brown/Getty Images

Kerry Washington - Also at the Fashion Los Angeles Awards, the Scandal star tries the mixed-print trend — we simply adore her top and skirt combo. Minimal styling lets the prints speak for themselves.(Photo: Frederick M. Brown/Getty Images)

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Kerry Washington - Also at the Fashion Los Angeles Awards, the Scandal star tries the mixed-print trend — we simply adore her top and skirt combo. Minimal styling lets the prints speak for themselves.(Photo: Frederick M. Brown/Getty Images)

Michelle Obama - Our lovely FLOTUS looks on as President Obama delivers his State of the Union speech before members of Congress. American fashionistas, however, were just as interested in Mrs. Obama’s Michael Kors suit, which promptly sold out that evening.(Photo: Mark Wilson/Getty Images)

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Michelle Obama - Our lovely FLOTUS looks on as President Obama delivers his State of the Union speech before members of Congress. American fashionistas, however, were just as interested in Mrs. Obama’s Michael Kors suit, which promptly sold out that evening.(Photo: Mark Wilson/Getty Images)

Kris Jenner - Can you say fabulous? That's the only way to describe Mama Jenner's Ralph Rucci fur coat, Emilio Pucci crystal circle cut-out gown and her Judith Leiber clutch. With this ensemble, she brings her “A” game to the National Television Awards in London.  (Photo: Anthony Harvey/Getty Images)

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Kris Jenner - Can you say fabulous? That's the only way to describe Mama Jenner's Ralph Rucci fur coat, Emilio Pucci crystal circle cut-out gown and her Judith Leiber clutch. With this ensemble, she brings her “A” game to the National Television Awards in London. (Photo: Anthony Harvey/Getty Images)

Jennifer Lopez - J.Lo speaks at the AOL Build Speaker Series in NYC wearing a long-sleeve Christian Siriano top, a full, high-waisted printed skirt, and Louboutin “Bandy” pumps. Two words for you: tea length. The style is already taking over 2015.(Photo: Dimitrios Kambouris/Getty Images)

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Jennifer Lopez - J.Lo speaks at the AOL Build Speaker Series in NYC wearing a long-sleeve Christian Siriano top, a full, high-waisted printed skirt, and Louboutin “Bandy” pumps. Two words for you: tea length. The style is already taking over 2015.(Photo: Dimitrios Kambouris/Getty Images)

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Garcelle Beauvais - The actress hits the premiere of Black or White at Regal Cinemas L.A. in a little hot pink number by ALC. Great way to show off her gorgeous gams!(Photo: Kevin Winter/Getty Images)

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Garcelle Beauvais - The actress hits the premiere of Black or White at Regal Cinemas L.A. in a little hot pink number by ALC. Great way to show off her gorgeous gams!(Photo: Kevin Winter/Getty Images)

Goapele - The singer glitters on the red carpet at the 5th Annual Guild of Music Supervisors Awards in Los Angeles. Side note: her smile is everything!(Photo: Vivien Killilea/Getty Images for Guild of Music Supervisors)

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Goapele - The singer glitters on the red carpet at the 5th Annual Guild of Music Supervisors Awards in Los Angeles. Side note: her smile is everything!(Photo: Vivien Killilea/Getty Images for Guild of Music Supervisors)

Cynthia Bailey - The Real Housewives of Atlanta star turns up the heat at the Watch What Happens Live studios. She flaunts her fit physique in a green dress and pointed-toe pumps.  (Photo: TNYF/WENN.com)

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Cynthia Bailey - The Real Housewives of Atlanta star turns up the heat at the Watch What Happens Live studios. She flaunts her fit physique in a green dress and pointed-toe pumps. (Photo: TNYF/WENN.com)

Regina King - The actress makes a splash at Disney and ABC Television Group's TCA Winter Press Tour in a patterned jumper, cropped blazer and strappy sandals.(Photo by Jason Kempin/Getty Images)

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Regina King - The actress makes a splash at Disney and ABC Television Group's TCA Winter Press Tour in a patterned jumper, cropped blazer and strappy sandals.(Photo by Jason Kempin/Getty Images)

June Ambrose - Say what you will about June's bold fur trapper hat, but it excites us! The celeb stylist/mogul sports her daring head gear at a screening of Strange Magic at the Tribeca Grand Hotel in NYC.(Photo: Cindy Ord/Getty Images for Walt Disney Studios)

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June Ambrose - Say what you will about June's bold fur trapper hat, but it excites us! The celeb stylist/mogul sports her daring head gear at a screening of Strange Magic at the Tribeca Grand Hotel in NYC.(Photo: Cindy Ord/Getty Images for Walt Disney Studios)