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

John Travolta pulled out the hair gel and leather to revive his role as Danny Zucco in a Hollywood Bowl screening of "Grease.

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 shocked fans when he stepped out as Danny Zuko in a Grease-themed event. Read all about it here.