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

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

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

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John Travolta wowed the crowd at the Hollywood Bowl in Los Angeles on Friday, making a surprise appearance ahead of a sing-along with some of his 'Grease' co-stars.

John Travolta surprised thousands of fans at a Grease sing-along event on Friday (June 27) by turning up dressed as his iconic character, Danny Zuko. The 71-year-old star’s appearance was a surprise ...

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