• ALL TOGETHER NOW photo | Gwen Stefani, Jessica Alba

Credit: Stefanie Keenan/WireImage

Published: Monday December 16, 2013 06:00 AM EST

2013

ALL TOGETHER NOW

Now, that's a family affair! Mom-to-be Gwen Stefani and sons Zuma, 5, and Kingston, 7½, join forces with Jessica Alba and her daughter Honor, 5½, for Saturday's Baby2Baby holiday party in Los Angeles.