Christina Hendricks
Mad Men's curvy star makes a front-row splash at the Carolina Herrera show in this belted cocktail frock.
Kourtney Kardashian
A live audience got a special K-DASH show as Kourt and her sister Kim (not pictured) put on a runway presentation at the shopping channel's 25 to Watch showcase party. See where they went after the bash in our Fashion Week Twitpics gallery!
Rosario Dawson
Twinkle, twinkle, fashion-loving star! Rosario glams it up in blue sequins for Tommy Hilfiger's women's show at Lincoln Center.
Emma Roberts
Trend watch: The young actress shows how to wear this season's cream-colored, wide-legged pants at the Jenny Packham show.
Rose McGowan & Sophia Bush
The front-row fashionistas put their best feet forward—Christian Louboutin booties and some kickass pink pumps—at Max Azria's show Saturday.
Kim Kardashian & Charlotte Ronson
Kim lends her support to friend and fellow fashion designer Charlotte Ronson Saturday night.
Ed Westwick & Tommy Hilfiger
Dapper dudes like Gossip Girl's Chuck Bass turned out for Hilfiger's fall 2011 men's collection. We like what we see already.
Kirsten Dunst
The actress is such a fan of Band of Outsiders, which held a show Saturday night, that she's even posed for the line's spring 2011 lookbook.
Jessica Alba
The actress checks out the latest and greatest in menswear at Fashion Week. Maybe she's cruising to pick something up for hubby Cash Warren?
Jon Hamm
Talented and stylish?! Is there anything the Mad Men star (and Rag & Bone fashion fan) doesn't excel at?
Jessica Szohr
Another Gossip Girl sighting! Szohr strikes a pose backstage at the Rebecca Minkoff show.
Tim Gunn, Olivia Munn & Taraji P. Henson
PETA brings the fashion man and these two actresses together for a Fashion Week party—minus the fur, natch!
Jenni "JWoww" Farley
Wow. Is this sheer dress at the Richie Rich show part of Jenni's new Rules book?
Kanye West
Kanye keeps a straight face at the Best New Menswear Designers in America Fall 2011 Collections presented by GQ and CFDA. Lighten up, dude. Fashion is fun!
Giuliana Rancic
The E! News cohost gives a jaunty wave while strutting her leggy stuff in a thigh-skimming Marchesa at Heart Truth's Red Dress show, which unofficially kicked off New York Fashion Week Thursday.
Katrina Bowden
Having escaped the drudgery of TGS' writer's room, the 30 Rock costar glams it up for the Red Dress runway in a dramatic Oscar de la Renta frock.
Matthew McConaughey & Camila Alves
The actor comes out to support his girlfriend as she walks in the Red Dress show. Guess they decided to leave the two little ones at home that night!
Jennifer Love Hewitt
J.Love vamps for photogs from her front-row seat at the BCBG Max Azria show.
Chelsea Clinton & Marc Mezvinsky
The couple attend amfAR's star-studded gala to present her papa, Bill Clinton, with an awards for his work with AIDS prevention—and to prove that their marriage is A-OK!
Blake Lively
It wouldn't be Fashion Week without at least one of Gossip Girl's spiffy stars turning out to celebrate. In this case, it's Serena van der Woodsen's alter ego mingling with a well-heeled crowd at the amfAR gala.
Stevie Wonder, Gladys Knight, Elton John & Dionne Warwick
What took them so long?! The four music legends reunite onstage for the first time in 23 years to perform "That's What Friends Are For" for amfAR's gala.