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

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.

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

Sandy (Olivia Newton-John), joins his school unexpectedly. The film is an enduring classic, with many re-releases and special screenings happening annually around the world. On Friday night (June 27) ...

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

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

Joining him were original Grease cast members Didi Conn (Frenchy), Barry Pearl (Doody), Michael Tucci (Sonny), and Kelly Ward ...

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

Grease fans were treated to a surprise they’ll never forget when John Travolta showed up in character as Danny Zuko—leather ...

John Travolta surprised fans at a 'Grease' sing-along event at the Hollywood Bowl by stepping back into his iconic role as ...

At the Hollywood Bowl, John Travolta dressed as Danny Zuko for a surprise Grease sing-along, bringing joy to fans and fellow cast members.