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 ...

Didi Conn invited John Travolta to a screening of Grease in memory of Dame Olivia Newton-John. The 73-year-old actress played ...

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 Zuko to honor last castmate Olivia Newton-John Conn played Frenchy ...

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

John Travolta turned 70 Sunday. Ahead of his milestone birthday, Travolta made headlines for honoring Prince Harry at an awards ceremony. Here's a look back at his life.

Danny Zuko made a surprise return, and he was rockin’ and rollin’. John Travolta was dressed in full Grease gear to surprise ...

John Travolta pulled out the hair gel and leather to revive his role as Danny Zucco in a Hollywood Bowl screening of "Grease." ...

Didi Conn invited John Travolta to a screening of Grease in memory of Dame Olivia Newton-John. The 73-year-old actress played Frenchy in the 1978 classic, and after Dame Olivia - who starred as ...

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 ...