While the celebrities in NYC were getting glamorous at the Costume Institute Gala, another group of stars was partying at Nylon's Young Hollywood Party in LA. Kellan Lutz smiled on the carpet, representing Twilight while his costars were busy filming in Vancouver. Audrina Patridge, Stephanie Pratt and Lo Bosworth looked happy and chatted together inside the party. Last night on The Hills, things got pretty dramatic for Audrina as she faced off with Jayde amid all of the usual beauty, fashion, food and gadgets. Looks like last night's party was a bit more drama free as Audrina gets used to the social circle without LC.

To see more photos including Sophia Bush, Nicky Hilton and a blond Kelly Osbourne just


Images include: Audrina Patridge, Karina Smirnoff, Kellan Lutz, Kelly Osbourne, Kristin Cavallari, Lo Bosworth, Nicky Hilton, Rumer Willis, Sophia Bush, Scout Willis, Ryan Eggold, Maksim Chmerkovskiy, Luke Worrall