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

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 ...

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

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

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

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 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.

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.

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