Stars at Fashion Week 2013

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Kate Mara and Katie Holmes

Mara and Holmes sat front row for Michael Kors' Sept. 11 Fashion Week showcase.

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Jane Krakowski, Olivia Palermo, Ashley Greene and Katie Cassidy

Front row fab! The foursome happened to dress in coordinating black to attend the KaufmanFranco show Sept. 9.

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Giuliana Rancic, Chrissy Teigen and John Legend

John's one lucky guy! Legend sat alongside his fiancee and E! News anchor Rancic Sept. 10 at Vera Wang.

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Rashida Jones, Emmy Rossum and Camila Alves

The ladies were all smiles taking in Tory Burch's new collection Sept. 10 at Lincoln Center.

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Paris Hilton

So haute! Hilton snapped an iPhone photo of a look during Alon Livne's Sept. 10 runway presentation.

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Holland Roden

Holland Roden rocking the Look 7 Janette leather top and Venice mini skirt from the Rachel Zoe Collection in the front row of the Rachel Zoe Spring 2014 Runway Show on Sep. 11.

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Rachel Zoe

Second-time mom-to-be Zoe took time out of her Sept. 11 runway show for a photo op with her adorable son Skyler.

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Kerry Washington

The Scandal star's timeless fashion tip? "Dress for yourself, 'cause then no matter what anybody says, you'll be happy!," says Washington, who attended Project Runway's finale fashion show on Sept. 6.

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Jessica Alba and Allison Williams

Snap happy! Alba snapped an iPhone pic of a black and white garment during Diane Von Furstenberg's Sept. 8 show.

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Rihanna and Miguel

All smiles at Opening Ceremony! Rihanna and Miguel mugged for the cameras on Sept. 8.

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Kanye West

West -- sans girlfriend Kim Kardashian and daughter North West -- contemplated the designs at Sept. 7's Louise Goldin show at Milk Studios.

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Alicia Keys, Anna Wintour and Maria Sharapova

The trio caught up while sitting front row at Jason Wu's runway show Sept. 6.

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David Beckham and Anna Wintour

David Beckham's daughter Harper stole the show at mom Victoria's runway presentation.

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Heidi Klum

Project Runway's hostess kicked back in the Mercedes-Benz Star Lounge during Fashion Week on Sept. 6.

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Jessica Alba and Solange

The women came together to support designer Phillip Lim at the Sept. 5 bash for his 3.1 Phillip Lim for Target launch.

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Christy Turlington Burns, Helena Christensen and Gina Gerson

The women watched Edun designs come down the runway on Sept. 8.

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Jonas Brothers

Joe, Kevin and Nick Jonas looked sharp at the tents at New York City's Lincoln Center Sept. 5.

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Justin Bieber

Nice 'stache! Bieber debuted a hint of facial hair at Y-3's fashion show.

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Kelly Osbourne, Christina Hendricks, Stacy Keibler and Molly Sims

The fab foursome checked out Zac Posen's new collection on Sept. 8.

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Lindsay Lohan

A recently rehabbed Lohan supported her sister Ali Lohan when she walked in Wendy Nichol's fashion show on Sept. 4.

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Martha Stewart

Now that's a good thing! The domestic diva photographed a look Sept. 8 at Ralph Rucci's show.

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Ashley and Mary-Kate Olsen

The sisters both dressed in fashionable black for the Lexus Design Disrupted event, part of New York Fashion Week's kick-off, on Sept. 5.

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Nicki Minaj

Minaj posed behind the scenes at Lincoln Center's tents.

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Nicole Richie

Nicole Richie wowed the crowd at the 10th annual Style Awards during Mercedes-Benz Fashion Week at Lincoln Center Sept. 4.

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Sarah Jessica Parker

SJP offered an over-the-shoulder glance at photographers during the Lexus Design Disrupted event on Sept. 5.

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Kelly Rutherford

Gossip Girl Style! Dressed in Claire Farwell London, Rutherford posed with the designer at Nolcha Fashion Week in NYC on September 11.

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Ali Larter

Glam Girl! Ali Larter showed off her A.Jaffe ring at the Donna Karan fashion show on Sept. 9 in NYC.

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Carmen Dell'Orefice, Carol Alt and Brooke Shields

Supermodel Triumvirate! Carmen Dell'Orefice, Carol Alt and Brooke Shields (with a Jill Haber handbag) made a jaw-dropping trio in the front row at the the Dennis Basso fashion show in NYC on Sept. 10.

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Ciara

Ciara, wearing a Bernhard Willhelm dress and bright coral lip, struck a pose at the Mercedes-Benz Star Lounge Sept. 9 during New York Fashion Week.