Gwen Stefani and Gavin Rossdale’s second son is growing up! The No Doubt frontwoman shocked her Instagram followers with rare pictures of Zuma on his 15th birthday Monday. “happy 15th birthday ...

Gwen Stefani and Gavin Rossdale's son Zuma is all grown up! The No Doubt singer marked the 15-year-old's birthday with a sweet tribute featuring never-before-seen pics: "We love u more than anything." ...