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 source tells Usmagazine.com. In January, Rossdale's father Douglas confirmed to Usmagazine.com that the couple were expecting again. Stefani, 38, and Rossdale, 40 -- who wed in in London in 2002 -- welcomed son Kingston in May 2006.