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 ...

Grease star John Travolta donned his old costume from the 1978 movie musical to surprise fans at a Hollywood sing-a-long ...

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.

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

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

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

Travolta, now 71, appeared spontaneously on stage to roaring applause at the La La Land outdoor event celebrating the 1978 ...

John Travolta gave "Grease" fans the thrill of their lives when he dressed up as Danny Zuko for a surprise appearance at a ...

John Travolta delighted fans with a surprise appearance at a Grease sing-along event in Los Angeles, stepping out in full Danny Zuko style.On Friday, the Pulp Fiction star garnered attention when he ...