No Doubt lead singer Gwen Stefani and former Bush lead singer Gavin Rossdale welcomed their second child into the world…an 8 pound, 5 ounce boy named Zuma Nesta Rock…on Thursday, August 21. Their first child, Kingston James McGregor, was born on May 26, 2006. In honor of the joyous occasion, I’m going to give you the chart history for both Gwen and Gavin. (more…)