Stevie rides in a go-kart at the Irving Azoff’s 60th birthday celebration. The party was held at “Mountasia Family Fun Center” in the Santa Clarita suburb of LA. Also in attendance were Gwen Stefani and Gavin Rossdale, Christina Aguilera and Jordan Bratman, Don Henley, Joe Walsh, Neil Diamond, and many other friends of the legendary manager. Nicks, in addition to riding on the go-kart track, sang happy birthday for Azoff. – December 2, 2007.