June 29 (UPI) --Screen icon John Travolta made a surprise appearance at a Grease sing-a-long at the Hollywood Bowl this weekend. "Last night at the Hollywood Bowl, for the first time I surprised ...

The Hollywood Bowl’s Grease sing-a-long event was automatic, systematic, hydromatic and grease lightning — thanks to a very special cameo from film star John Travolta. “Tonight at the Hollywood Bowl, ...

John Travolta gave Grease fans the ultimate surprise last night at the Hollywood Bowl, who were there for the Sing-A-Long event. The description read, "Ever wanted to know what it’s like to be a ...

John Travolta is hopelessly devoted to Danny Zuko. The “Grease” star from New Jersey made an unscheduled visit Friday to a Los Angeles event dedicated to the 1978 movie. “Tonight at the Hollywood Bowl ...

John Travolta stepped back in time for a surprise appearance at a fan event. The actor, 71, attended a Grease sing-along at the Hollywood Bowl in Los Angeles on Friday, June 27, when he was dressed as ...

John Travolta made a surprise appearance at Friday night’s “Grease” sing-a-long at the Hollywood Bowl dressed as his iconic drag racing, hip swinging 1950s bad boy Danny Zuko. “Tonight at the ...

John Travolta made a surprise appearance at a "Grease" sing-a-long in Hollywood this weekend. File Photo by Dennis Van Tine/UPI June 29 (UPI) --Screen icon John Travolta made a surprise appearance at ...

"No one knew. Not even the cast," the actor said on Instagram after the moment John Travolta surprised fans when he attended a Grease sing-along at the Hollywood Bowl in Los Angeles on June 27 The ...