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 ...

Not even the cast," the actor said on Instagram after the moment John Travolta surprised fans when he attended a Grease ...

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

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

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

For "Grease" fans in Los Angeles, recent summer nights had a surprise in store. We'll tell you more, tell you more. John ...

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

John Travolta revived one of his most iconic characters over the weekend, surprising crowds at the Hollywood Bowl with a cameo as Danny Zuko in the venue's singalong "Grease" event June 27 ...

The event started at 8 p.m. as they waited for the sun to set enough for the screening. Conn was joined on stage by three ...

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