Hayek helps Baldwin get the party started on the Brooklyn, N.Y., set of 30 Rock. Plus: Charlize Theron, Joe Jonas, Gisele and more


Look who's performing a high-wire act! Hayden Christensen gets the hang of filming a Lacoste commercial in Los Angeles on Thursday. And the actor got support of a different kind – enjoying a visit from girlfriend Rachel Bilson (not pictured) on set.