It was party time for Gwen Stefani's sons -- Kingston, 5, and Zuma, 3 -- who attended a friend's birthday festivities in Los Angeles. The singer has been back in the studio with her ska-punk band No Doubt working on an album that's due out in September. (5/6/2012)
Celebrity Family Time
Stars from Heidi Klum to Kourtney Kardashian spend quality time with their adorable little ones over the weekend.