John Travolta, who starred as 'Grease' bad boy heartthrob Danny Zuko, crashed the Hollywood Bowl's sing-along event Friday.

John Travolta made a surprise appearance at a “Grease” sing-along at the Hollywood Bowl dressed up as his beloved character, ...

You never know what’s going to happen on those summer nights at the Hollywood Bowl. On Friday night, the iconic venue hosted ...

John Travolta is returning to one of the biggest roles of his career. The actor and '80s icon surprised audiences at the ...