The family that plays together, stays together -- and in the case of No Doubt's Gwen Stefani and Gavin Rossdale of Bush, that means occasionally popping up onstage for surprise duet renditions of your dearly beloved's greatest hits.
In 1996, Gavin Rossdale appeared shirtless on the cover of Rolling Stone magazine.
Fifteen years later, the adult daughter of the Bush singer has gone the extra mile for Playboy.