Zuma Rossdale Pumps Gas!

Gwen Stefani and Gavin Rossdale's son Zuma pumping gas while out with his nanny in Sherman Oaks, California on August 23, 2012. Zuma was even sporting some kind of superhero outfitGwen Stefani and Gavin Rossdale’s son Zuma is a big boy!

Zuma who turned four-years-old earlier this week was spotted helping his nanny pump gas in in Sherman Oaks, Ca on Thursday.  He looked adorable in a action hero outfit as he held onto the gas handle.