Aguilera and Jordan Bratman celebrate her birthday with a Clockwork Orange-themed West Hollywood bash. Plus: Jen & John, Kanye West, Robert Pattinson, J.Lo and more

PONY EXPRESS

Here comes Santa Claus! Oh wait, that's just Paris Hilton, bringing a bag of toy ponies and other stuffed animals Thursday to the Union Rescue Mission in downtown Los Angeles with her mother Kathy Hilton (not pictured).