Gavin Rossdale and Son Kingston On the Road ... with Daddy!

updated 06/01/2009 AT 01:00 AM EDT

originally published 06/01/2009 AT 01:00 AM EDT

As Gavin Rossdale rocks out for screaming fans, his son Kingston, 3, runs around offstage, wearing headphones and cranking out air guitar solos to Dad's anthems. "He'll simulate his own show," says Rossdale, 43, of the little mimic with him on the U.S. tour for his album Wanderlust. "He has rhythm already. It's unbelievable." (Son Zuma, 9 months, is with mom Gwen Stefani, 39, on No Doubt's summer tour.) Road-tripping with a tot "is all about his comfort—everything else is second," says the Brit, who keeps Kingston happy with DVDs like The Cat in the Hat and stops at the Seattle Aquarium. Says the proud papa: "It's really been a bonding experience."

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