Adored Photo - EXCLUSIVE  Gwen Stefani watches husband Gavin Rossdales band Bush perform at the 4th Annual Sunset Strip Music Festival yesterday  Along for the fun watching dad onstage wearing kid-friendly noise-canceling headphones was Gwen and Gavins adorable son Zuma Nesta who turns 3 years old today  Los Angeles CA 21st August 2011Fees must be agreed prior to publication