At 71, John Travolta stunned fans by dressing up as Danny Zuko for the first time in nearly 50 years at a Grease sing-along event in LA. Not even the original cast knew he'd show up. Rocking the iconic leather jacket, he greeted fans with Danny's swagger, quoted lines, and sang with the crowd. It was his first time in character since Olivia Newton-John's passing, and the audience went wild. A true Grease lightning moment | Life Stories

When the Grease cast reunited in 2002 for the film's DVD release party, and sang 'Summer Nights' together. 👏💜 (Credit: Paramount Pictures) #Grease #JohnTravolta #OliviaNewtonJohn | Smooth Radio