Justin in action

Justin Timberlake suits up as he films a scene for The Social Network on) in Los Angeles. The entertainer, who recently turned 29 , shot a scene with co-star Jesse Eisenberg, who wore a much more casual wardrobe - he was dressed in a bathrobe, pajama pants and slippers.

Last weeku00a0 Justin caught a Timbaland concert with girlfriend Jessica Biel and her parents - and gave Timb a hand onstage!