Gwen Stefani and Gavin Rossdale attend the "Monsters University" premiere with their sons in Los Angeles

No Doubt lead singer Gwen Stefani and her husband, Bush lead singer Gavin Rossdale and their sons Zuma Nesta Rock Rossdale (L) and Kingston Rossdale (R) attend the premiere of the animated motion picture comedy "Monsters University", at the El Capitan Theatre in the Hollywood section of Los Angeles on June 17, 2013. UPI/Jim Ruymen