KINGSTON ROSSDALE

A-listers Gwen Stefani and Gavin Rossdale were spotted with their two sons - Kingston, 5 later this month, and Zuma, 2 1/2 - in Primrose Hill on Mother's Day (May 8). Gwen and Gavin had fun playing ball, flying a kite and foolin' around with their sweet boys.

Click here to see what Kingston is wearing!