Gwen Stefani's Bow Tie Boy

Dapper dude! Rockstar mama Gwen Stefani wore a flowing floral print dress as she took her boys Kingston and Zuma to a party in Hollywood, Calif. on Saturday (May 28). Kingston was ready to party in a white shirt and bow tie, while Zuma napped on mama's shoulder.

Gwen and hubby Gavin Rossdale's elder boy just celebrated his 5th birthday on Thursday. Zuma will turn 3 in August.The Stefani-Rossdales have just returned from a holiday in Europe, where they were seen yachting in the South of France and spending time at their home in London.