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

Grease star John Travolta shocked fans by strolling out dressed as Danny Zuko at a sing-a-long event for the hit 1978 film in Los Angeles. The 71-year-old actor starred as the charismatic T-Bird opposite Olivia Newton-John as angelic Sandy Olson in the hit musical.

Released in 1978, Travolta starred in “Grease” alongside Olivia Newton-John, who died in 2022. Other cast members include Stockard Channing, Jeff Conaway, Jamie Donnelly, Dinah Manoff and Eve Arden. Made for only $6 million, the film became Paramount’s highest earner by the end of its run, with a gross of more than $130 million.