Best Dressed of the Week: Michelle Obama Slays at the SOTU

Plus, must-see looks from Karrueche Tran, Ciara and more.

Black Herstory, Michelle Obama, 2016

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Michelle Obama - Our FLOTUS wows the country in a stunning melon Narciso Rodriguez frock for President Barack Obama's last State of the Union address. If her fashion icon status were ever up for question, it's officially solidified now. The dress sold out everywhere after her appearance. By Jazmine A. Ortiz(Photo: Mark Wilson/Getty Images)

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Amandla Stenberg - We can't resist this entire 'fit the young actress sports to the Stella McCartney Autumn 2016 presentation in L.A. This ribbed blush polo and midi skirt is everything, and she pairs it with the perfect pop of red lips.(Photo: Steve Granitz/WireImage)

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Mary J. Blige - The Stella McCartney Autumn 2016 Presentation calls for this white-hot ensemble from Mary J. Blige.(Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

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Mariah Carey - The songbird shows off a svelte figure in a this slinky two-tone gown at The 6th Biennial UNICEF Ball in Beverly Hills.(Photo: Joshua Blanchard/Getty Images)

Photo By Photo: Joshua Blanchard/Getty Images

Beyoncé - Queen Bey is spotted in L.A. in a Faith Connexion graffiti parka jacket. This is how you cover up in style this season!(Photo: SPW/Splash News/Corbis)

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Beyoncé - Queen Bey is spotted in L.A. in a Faith Connexion graffiti parka jacket. This is how you cover up in style this season!(Photo: SPW/Splash News/Corbis)

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Jennifer Lopez - While on a press stop for her new show, Shades of Blue, J.Lo did what she does best: slay all day. This time, her blue Victoria Beckham dress and Casadei pumps do the deed.(Photo: Angela Weiss/Getty Images)

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Khloe Kardashian - Kardashians and tonal outfits are like peanut butter and jelly. Koko kills in brown at LAX.(Photo: GVK/Bauergriffin.com/Splash News)

Photo By Photo: GVK/Bauergriffin.com/Splash News

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Ciara - CiCi sings the National Anthem for the College Football Championship Alabama vs. Clemson game in a Yousef Aljasmi gown. No doubt it's gorgeous, but was it a bit too much for the game?(Photo: Christian Petersen/Getty Images)

Chanel Iman - The supermodel graced W Magazine's It Girl Luncheon in this lace two-piece by Jaime Lee. We're completely obsessed with the pearl detailing on the crop top!(Photo: All Access Photo/Splash News)

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Chanel Iman - The supermodel graced W Magazine's It Girl Luncheon in this lace two-piece by Jaime Lee. We're completely obsessed with the pearl detailing on the crop top!(Photo: All Access Photo/Splash News)

Photo By Photo: All Access Photo/Splash News

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Karrueche Tran - The model hits L.A. hot spot The Nice Guy wearing a Topshop sweater dress, Alexander McQueen boots and a Christian Louboutin bag. Cute, no?(Photo: Photographer Group / Splash News)