John Travolta Joins Foo Fighters Onstage Again

John Travolta joined Foo Fighters onstage and performed “You’re The One That I Want" at Jacksonville's Welcome To Rockville festival in April. He was in town filming the Fred Durst-directed movie Moose. Last night, Travolta joined them in Wantagh, New York and performed the Grease hit again. It's possible Foo Fighters are just really into Grease. Watch below.