Gwen Stefani and her husband Gavin Rossdale welcomed their second child – a boy named Zuma Nesta Rock Rossdale – at Cedars-Sinai Medical Center in L.A. Thursday, a rep for the couple confirms to Usmagazine.com.

“Mother, baby and family are all happy and healthy,” the rep adds.

Zuma, who was born at 12:46 p.m. PST, weighed in at 8 1/2 pounds.