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

MAKING FRIENDS

In London to find a British BFF, Paris Hilton instead finds the attention of the cameras after a night out at the Cuckoo Club on Thursday. Inside, the heiress interviewed potential candidates for the U.K. edition of her new reality show.