Celebs at The Social Network premiere

Justin Timberlake goofed around with Armie Hammer on the red carpet for the world premiere of their new film The Social Network during the 2010 New York Film Festival. The Social Network tells the story of the sensational rise of Facebook founder Mark Zuckerberg and hits theaters on October 1.

Actress Rashida Jones, who also stars in The Social Network, looked fab for the premiere held at Lincoln Center.