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

The Hollywood Bowl event was just getting underway when Travolta, who starred as 1950s greaser Danny Zuko in the 1978 film, ...

John Travolta made a surprise appearance at Friday night’s “Grease” sing-a-long at the Hollywood Bowl dressed as his iconic ...

John Travolta's Danny Zuko reemerged at the Hollywood Bowl, 47 years after the star portrayed the Rydell High T-Bird in ...

John Travolta gave fans some 'chills' when he made a surprise appearance at a Grease sing-along in Los Angeles Friday night.

The clip showed the “Pulp Fiction” alum walking out as the crowd went wild before Travolta joined his stunned “Grease” ...

John Travolta thrilled fans with a surprise appearance at the “Grease” Sing-A-Long at the Hollywood Bowl, dressed as his ...

John Travolta, who starred as 'Grease' bad boy heartthrob Danny Zuko, crashed the Hollywood Bowl's sing-along event Friday. He surprised the audience and "Grease" co-stars alike.

John Travolta, who starred as 'Grease' bad boy heartthrob Danny Zuko, crashed the Hollywood Bowl's sing-along event Friday. He surprised the audience and "Grease" co-stars alike.

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

John Travolta surprises “Grease” fans at Hollywood Bowl sing-along: 'I thought you were going back to Australia!' The one that they want is the one that they got.