The 71-year-old star stunned fans at a Grease sing-along, marking his first return as Zuko since Olivia Newton-John’s passing ...

Didi Conn opened up to PEOPLE about the June 27 Grease sing-along at the Hollywood Bowl and why John Travolta showed up as ...

Fans at Friday night’s “Grease” sing-a-long at the Hollywood Bowl thought they were in for a fun night of nostalgia. What ...

John Travolta’s career has been one of ups and downs, spellbinding fame, radical reinvention, and unforgettable performances.

Didi Conn opened up to PEOPLE about the June 27 Grease sing-along at the Hollywood Bowl and why John Travolta showed up as Danny ... It's amazing that this film is a phenomenon. It's just a ...

John Travolta, who starred as 'Grease' bad boy heartthrob Danny Zuko, crashed the Hollywood Bowl's sing-along event Friday.

Olivia Newton-John, who died Monday at 73 years old, was remembered by her 'Grease' co-star John Travolta. ... became a cultural phenomenon with $366 million at the worldwide box office.

Didi Conn Explains How John Travolta's Surprise “Grease ”Moment Last Month Paid Tribute to Olivia Newton-John (Exclusive) Conn tells PEOPLE about watching the movie again with 18,000 fans ...