Fierce Fashions: New York Fashion Week

Jessica Alba attends the Ralph Lauren Spring 2013 fashion show during
Mercedes-Benz Fashion Week on September 13, 2012 in New York City.

Gossip Girl's Tika Sumpter hosts the GenArt Fresh Faces in Fashion event presented by Moroccanoil during Fashion Week.

Camilla Belle wears Michael Kors to the Kors Collaborations: Claiborne Swanson Frank event on September 13, 2012 in New York City.

Olivia Munn wears a Michael Kors dress to the Kors Collaborations: Claiborne Swanson Frank event on September 13, 2012 in New York City.

Olivia Wilde attends the Ralph Lauren Spring 2013 fashion show during
Mercedes-Benz Fashion Week on September 13, 2012 in New York City.

Kelly Osbourne poses backstage at the Gerlan Jeans Spring 2013 fashion
show during Mercedes-Benz Fashion Week on September 13, 2012
in New York City.

Amy Adams, Emma Stone and Diane Kruger attend the Calvin Klein
Collection Spring 2013 fashion show during Mercedes-Benz Fashion Week on
September 13, 2012 in New York City.

Olympian Ryan Lochte, The Words star Olivia Wilde, Little Fockers star Jessica Alba, David Lauren and Lauren Bush were all snapped at the Ralph Lauren Runway show on Sept. 13, 2012 in NYC.  The brand's official Twitter posted this pic with the following caption: "@ryanlochte @oliviawilde @jessicaalba David Lauren & @LaurenBushTweet sitting front row #nyfw."

Tyra Banks attends the Marchesa Spring 2013 fashion show during Mercedes-Benz Fashion Week on September 12, 2012 in New York City.

Stacy Keibler wears a one-shoulder frock to the Marchesa Spring 2013 fashion show during
Mercedes-Benz Fashion Week at Grand Central Terminal
on September 12, 2012 in New York City.

Oscar winner Marisa Tomei is looking tough at the Michael Kors Spring 2013 fashion show during Mercedes-Benz Fashion Week at Lincoln Center on September 12, 2012 in New York City.

Kirsten Dunst is snapped at the Proenza Schouler show on September 12, 2012 in New York City.

"It" couple Kim Kardashian and Kanye West are snuggly at the Louise Goldin Spring 2013 show at Milk Studios on September 12, 2012 in New York City.

Julianne Moore dons black for the Reed Krakoff Spring 2013 fashion show during Mercedes-Benz Fashion Week at Skylight West on September 12, 2012 in New York City.

Nurse Jackie star Edie Falco attends the Nanette Lepore Spring 2013 fashion show during
Mercedes-Benz Fashion Week on September 12,
2012 in New York City.

The Newsroom star Olivia Munn, designer Michael Kors and Smash star Katharine McPhee pose
backstage at the Michael Kors Spring 2013 fashion show during
Mercedes-Benz Fashion Week at Lincoln Center on September
12, 2012 in New York City.

Stanley Tucci and wife Felicity Blunt couple up at the Nanette Lepore Spring
2013 fashion show during Mercedes-Benz Fashion Week on September 12, 2012 in New York City.

Sitting next to husband Michael Douglas, Catherine Zeta-Jones is sitting pretty at the Michael Kors Spring 2013 show at Lincoln Center on
September 12, 2012 in New York City.

Elisabeth Moss steps out in purple to the J. Mendel Spring 2013 fashion show on September
12, 2012 in New York City.

Abigail Breslin poses with Twilight actress Christian Serratos backstage at the
Nanette Lepore Spring 2013 fashion show during Mercedes-Benz Fashion
Week on September 12, 2012 in New York City.

Hollywood's biggest stars, socialites, trendsetters, and music's
brightest are descending upon the Big Apple for the biggest week in
fashion -- the Mercedes-Benz Fashion Week. Check out all the fierce
celeb fashions decked out at a bevy of different events!

First up, Elisabeth Moss attends the Alice + Olivia by Stacey Bendet event during the Spring 2013 Mercedes-Benz Fashion Week on September 10, 2012 in New York City.

Lauren Conrad wears a flirty floral to the Alice + Olivia By Stacey Bendet Spring 2013 event during
Mercedes-Benz Fashion Week on September 10, 2012 in New
York City.

Kristen Wiig wears all white at the Marc Jacobs Spring 2013 fashion show during
Mercedes-Benz Fashion Week on September 10, 2012 in
New York City.

Kelly Osbourne attends the Chris Benz runway show at the Spring 2013
Mercedes-Benz Fashion Week on
September 10, 2012 in New York City.

Julianne Hough attends the Carolina Herrera Spring 2013 fashion show
during Mercedes-Benz Fashion Week on
September 10, 2012 in New York City.

Crystal Reed, Odette Annable, designer Stacey Bendet and Ari Graynor
attend the Alice + Olivia By Stacey Bendet Spring 2013 Mercedes-Benz Fashion
Week event at Century 548 on September 10, 2012 in New York City.

Singer and designer Avril Lavigne and model Kylie Jenner get punky at the Abbey Dawn By
Avril Lavigne event at on September 10,
2012 in New York City.

Alexa Chung and Hailee Steinfeld are sitting pretty at the Marc Jacobs Spring 2013
fashion show during Mercedes-Benz Fashion Week on
September 10, 2012 in New York City.

Alicia Keys wears a black-and-white look at the Edun Spring 2013 at Skylight at Moynihan Station on September 8, 2012 in New York City.

Damages star Rose Byrne attends an event at Mercedes-Benz Star Lounge on September 8, 2012 in New York City.

The sisters are spotted around Lincoln Center during Spring 2013 Mercedes-Benz Fashion Week on September 9, 2012 in New York City.

Mandy Moore pairs a yellow dress with a leather jacket at the Mercedes-Benz Star Lounge during Fashion Week on September 9, 2012.

The over-the-top dresser goes for a more reserved look at the Nina Skarra Spring 2013 fashion show on September 8, 2012 in New York City.

The Smash star is photographed at the Rebecca Taylor show at the Highline Stages on September 8, 2012 in New York City.

Ashley Greene wears a sexy black dress to the DKNY Women's Spring 2013 fashion show during Mercedes-Benz Fashion Week at 547 W 26th Street on September 9, 2012 in New York City.

Editor-in-Chief of Vogue Anna Wintour and designer Victoria Beckham both give their signature steely looks at
Bergdorf Goodman Celebrates Fashion's Night Out at Bergdorf Goodman on
September 6, 2012 in New York City.

Sarah Jessica Parker wears an ombre dress at the Fred Leighton Boutique on September 6, 2012 in New York City.

AnnaSophia Robb attends the Ferragamo's From Russia With Love
Fashion's Night Out 2012 party at Salvatore Ferragamo on September 6, 2012 in
New York City.

Darren Criss wears a double-breasted suit to the GQ & Nordstrom pop-up store event during
Fashion's Night Out on
September 6, 2012 in New York City.

Kim Kardashian wears a futuristic sheath dress at Fashion's Night Out 2012 at Lord & Taylor on September 6, 2012 in New York City.

Nikki Reed and model Kate Upton celebrate Fashion's Night Out at Michael Kors on September 6, 2012 in New York City.

Sarah Jessica Parker wore an Oscar de la Renta dress to the 2012 Couture Council for the Museum at
FIT Award for Artistry of Fashion Awards to Oscar de la Renta at Lincoln Center on September 5, 2012 in New York City.

Olympian Ryan Lochte is snapped backstage at the Joseph Abboud fashion
show during Mercedes-Benz Fashion Week at New York Public Library on
September 5, 2012.

Amy Adams attends the Ninth Annual Style Awards during Mercedes-Benz
Fashion Week at Lincoln Center on September 5, 2012 in New
York City.

Nicole Richie attends the Ninth annual Style Awards during Mercedes-Benz
Fashion Week at Lincoln Center on September 5, 2012.

Kristin Chenoweth attends the Fashion Palette NY show during Mercedes-Benz Fashion Week at Canoe Studios on
September 5, 2012 in New York City.

Kellan Lutz suits up for the Joseph Abboud spring 2013 fashion
show during Mercedes-Benz Fashion Week at New York Public Library on
September 5, 2012.

Katharine McPhee poses backstage at the Ninth Annual Style Awards during
Mercedes-Benz Fashion Week Spring 2013
on September 5, 2012.

Ivanka Trump attends the Ninth Annual Style Awards during Mercedes-Benz
Fashion Week at Lincoln Center on September 5, 2012 in New
York City.

The Weeds star arrives backstage at the Joseph Abboud spring 2013 fashion show during
Mercedes-Benz Fashion Week at the New York Public Library on September 5,
2012.

Hailee Steinfeld attends the Erin by Erin Fetherson 2013 Mercedes-Benz Fashion Week Presentation at the High Line Room at The Standard hotel on September 5, 2012 in New York City.

Ed Westwick attends the ninth annual Style Awards during Mercedes-Benz
Fashion Week at Lincoln Center on September 5, 2012 in New
York City.