Leonardo DiCaprio, treating a dozen of his male pals to a raucous dinner at West Hollywood burger joint Hamburger Hamlet. Trading gifts around the table, the group got so into the festive cheer that servers had to move two elderly couples nearby to quieter seating. DiCaprio's gift? Halfway through the meal he quietly slipped the waiter his credit card to cover the bill.
Clearly getting on Santa's Nice list this year: Eva Mendes, unveiling her new PETA ad on Robertson Boulevard. Dressed in a short red dress, navy blue cap and black stiletto boots, Mendes posed for photos as a gathering group ogled the new risqué campaign against fur use.

Criss Angel
Chris Weeks / WireImage
Vince Vaughn, playing the good samaritan at a recent holiday party. "When he saw someone in a wheelchair trying to go up the stairs he ran across the party to help carry him," says an onlooker. The Christmas spirit has rubbed off on the actor in other ways: "He's looking good these days. In fact, I'd say he was hot."
By REAGAN ALEXANDER AND EUNICE OH
Thursday's Caught in the Act >





















