Gwen Stefani, 51, has debuted her wedding ring! The “Just A Girl” singer was rocking a sparkly diamond band alongside her engagement ring from husband Blake Shelton, 45, as they arrived back in Los Angeles after their July 3 nuptials. The couple could be seen through the front window as Blake drove his Chevy pick-up truck with her 12-year-old son Zuma in tow.