The Foo Fighters invited a special guest on stage during their performance in Jacksonville, Florida, on April 29 - actor John Travolta.The band was performing at the Welcome to Rockville festival at Metropolitan Park in Jacksonville, when the actor made an appearance on stage. Foo Fighters fan Tyler Dennett shared a video of the moment on his Twitter page.In Dennett’s video, Travolta is seen walking about on stage as the band began playing You’re The One That I Want, the classic song from the musical Grease, which Travolta famously starred in. As of writing, the video has over 2,900 views on Twitter. Credit: Tyler Dennitt via Storyful