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. Fans at Friday night’s “Grease” sing-a-long at the ...

Grease fans have got chills, and they were multiplying on Friday night after a surprise visit from a very special visitor. John Travolta dusted off his leather jacket and brought Danny Zuko back to ...

Tell us about it, stud. 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" ...