Front Row Star Favorites from Fall 2012 Fashion Week

Actresses Emma Stone and Rooney Mara sat front row at Calvin Klein in knee-length dresses by the label.

Gossip Girl

's Blake Lively flashed a neon pink smile at Noon by Noor in a black and white tuxedo-inspired dress.

Zoe Saldana

attended Prabal Gurung's runway show in a turquoise blazer and purple-print pants by the designer. "He's one of my closest friends, and I've been a witness to his growth the same way he's been a witness to mine," the actress explained. "To come out here is a privilege, to support him as an artist."

The RampB singer—and new aunt to Beyonce's baby girl, Blue Ivy—sat front row at Diane von Furstenberg in a boldly-printed skirt suit.

"Loving NYC for #NYFW getting ready to head to Michael Kors show #excited," TweetedPaula Patton before she took her seat at the Kors show alongside Amber Heard and Jessica Alba.

"I'm obsessed!" Greene said of the new Donna Karan collection after seeing the designs hit the runway alongside Shameless star Emmy Rossum.

A checkered and bobbed Rose Byrne held tight to denim-clad Kravitz before the Marc Jacobs runway show.

The design duo arrived at J.Mendel just moments before the lights went down in matching black coats, oversize shades, and their signature tousled waves.

Dakota Fanning

joined Natalie Portman in the front row at Rodarte, where Portman debuted her new, side-swept bangs.

As the face of Vera Wang's Lovestruck perfume, Leighton Meester cheered on the designer from the front row! "I can't imagine a better way to spend Valentine's Day than goin to the @VeraWangGang show!" Meester Tweeted.

A fur-clad Kim Kardashian stepped backstage after Kanye West's fashion show to congratulate her beau on his latest designer collection. "So excited to see my friends in Paris!" the reality star Tweeted.

Katy Perry

matched her bubblegum pink lips to her blush dress at the Miu Miu fashion show in Paris.

The face of Miss Dior Handbags was pretty in pink lace and a white overcoat at the Christian Dior fashion show in Paris.

Olivia Palermo

posed in a printed dress before heading inside to see the Christian Dior's fall collection.

The Twilight Saga

star Kristen Stewart popped up in the front row at Balenciaga rocking fierce leather pants tucked into sandals by the brand.

Hayek

and Keys wore coordinating black and white looks to the Stella McCartney show in Paris.

Burberry model Huntington-Whiteley and actress Bosworth stood side-by-side at the Burberry fashion show. "Here's looking at you Christopher Bailey! Just. Gorgeous," Bosworth Tweeted to Burberry creative director Christopher Bailey after the show.

Oscar nominee Michelle Williams took a break from her press tour for My Week With Marilyn to enjoy the Mulberry fashion show in London.

Stella McCartney

welcomed Rihanna (in a McCartney design) to help her celebrate her fall collection's presentation in London.

The top model (in Stella McCartney) and husband Jamie Hince were on hand to toast to Stella McCartney's new collection.