Gwen Stefani & Gavin Rossdale: Birthday Party with the Boys!

Gwen Stefani and Gavin Rossdale put their arms around each other as they watch Kingston and Zuma play in Sherman Oaks park on Sunday (December 4) in Sherman Oaks, Calif.

Kingston is wearing Reversible Camo Puffer Vest by Gap,

La Gang Des Rebelles Tee by Mini & Maximus

and Kids Cesario sneakers in black/white by Creative Recreation. (sold out online)

Zuma is wearing Reversible Camo Puffer Vest by Gap too,

Rock & Roll Zebra Earflap Hat by Critter Kingdome,

Toddler Boys' Jacket by Harajuku Mini for Target,

Black Organic Cotton Patch Tee by Addaboy ($31.99)

and Kids Adirise 2.0 Animal shoes ($65.00) by Adidas