Celebrities in NYC flocked to the Cooper Square Hotel last night for a GQ & Dior Homme party honoring designer Kris Van Assche. Fresh off her recent Twitter war, Rachel Zoe showed up in black alongside Miranda Kerr to honor their designer friend at the star-studded event. Rachel Bilson stayed close to her fiance Hayden Christensen as they publicly stepped out following Hayden's brother's arrest last week. Mischa Barton and Taylor Momsen posed together, matching in shimmery fabric while Taylor's Gossip Girl costar Chace Crawford looked dapper chatting with Jesse Metcalfe. The GG kids and Mischa all have premieres coming next week — don't miss Buzz's downloadable TV calendar to stay on top of all the important dates!
To see more photos including Miranda, Josh Hartnett, and many others just
Images include: Mischa Barton, Taylor Momsen, Sara Paxton, Nico Tortorella, Hayden Christensen, Rachel Bilson, Pete Hunsinger, Chace Crawford, Josh Hartnett, Kris Van Assche, Pete Hunsinger, Kris Van Assche, Jim Moore, Jesse Metcalfe, Margherita Missoni, Miranda Kerr, Rodger Berman, Rachel Zoe