Selena Gomez: Happy Birthday, Jake T. Austin!

Selena Gomez and head Oompa Loompa Donny Davis celebrate her on-screen brother Jake T. Austin‘s 16th birthday at David Arquette and Jeff Beacher‘s Madhouse held at The Roosevelt Hotel on Saturday (December 4) in Hollywood, Calif.

Jake‘s on-screen brother David Henrie, Jaden Smith, and Kyle Massey all came out for the big birthday bash.

All of the guests enjoyed a pair of Onitsuka Tiger kicks, Sprinkles cupcakes, pizza and drinks at the celebration – and some dances from the Oompa Loompas, burlesque dancers, and Alvin and the Chipmunks!

15+ pictures inside of Jake T. Austin‘s 16th birthday party…