It was an afternoon of family fun for the Stefani-Rossdale clan! Gwen, Gavin, their two kids Zuma and Kingston, and niece Stella Stefani attended the Elisabeth Glaser Pediatric AIDS Foundation’s 24th Annual "A Time for Heroes" event in Los Angeles to help raise money and awareness for the prevention of HIV transmission of to children. The kid-friendly function offered an array of activity stations, like skateboard demos, trampolines, a micro-race track, and arts and crafts. The event concluded with with performances by Jessica Sanchez and HIV activist Jamar Rogers. For more information about the organization head to www.pedaids.org. Plus, click the photo for more photos from this weekends parties.