Apr 05, 2010 at 5:29 pm

Gwen Stefani: Easter Sunday Fun Day!

Gwen Stefani and husband Gavin Rossdale take their two adorable sons — Kingston and Zuma — to a 650-person party on Easter Sunday (April 4) in Malibu, Calif.

How cute is Kingston in his bunny rabbit jumpsuit, straw hat and ring pop?!

The party was thrown by Ron Meyer, the President & COO of Universal Studios. Guests who enjoyed delicious Crumbs cupcakes included: Tobey Maguire and wife Jennifer Meyer (with son Otis and daughter Ruby), David Arquette, Jamie Foxx, Barbara Streisand, Molly Sims, Goldie Hawn, Bryce Dallas Howard (with son Theodore), Oliver Hudson, Donald Sutherland, Kevin James and Antonio Villaraigosa.