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

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

Fans at the 'Grease' Sing-A-Long screening at the Hollywood Bowl last night got a surprise when the original Danny Zuko ...

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

It’s going to be non-stop hits from chart-topping stars of the decade when the “I Want My 80s” tour comes to the Hollywood ...

The Lucques Group partners discuss how they synced up and their new summer items — including pizza, burritos and Magpies Softserve drumsticks ...

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

Ahead of a gig at the Hollywood Bowl on Sunday, the 80-year-old singer and songwriter looks back at some of his signature ...

Screen icon John Travolta made a surprise appearance at a "Grease" sing-a-long at the Hollywood Bowl this weekend.

John Travolta surprised fans at the Hollywood Bowl Grease sing-along, reprising his iconic Danny Zuko role with a stylish ...

Colorado Springs is famed for its annual Fourth of July spectacle with the city's Star Spangled Symphony. Held in Memorial ...