The Gossip guy and the rapper laugh it up while shooting a film in New York. Plus: Drew Barrymore, Lauren Conrad, Lindsay Lohan and more

BUDDY COMEDY

New BFF alert! The joke's on costars Chace Crawford and 50 Cent during a break Wednesday on the New York City set of their drama Twelve. In the movie based on the best-selling Nick McDonell novel, the Gossip Girl actor plays a high school dropout-turned-drug dealer whose life falls apart after the murder of his cousin.