The Hills co-star cuties kicked the festivities off by first making their way to the star-studded Alice + Olivia show as part of New York Fashion Week.
Upon the show’s end, the MTV hotties then made their way to the Simyone Lounge for the CW celebration for The Beautiful Life.
Meanwhile, you can catch Stephanie and Holly when The Hills kicks off the sixth season on September 29th on MTV.
Credit: Celebrity Gossip