John Travolta Most Memorable Onscreen Hairdos (and Don’ts), From ‘Grease’ to ‘The Fanatic’ (Photos)

“Welcome Back Kotter” (1975-79) 

With his wavy hair and million-dollar smile, John Travolta first became a hearthrob on this ’70s sitcom as cocky high school student Vinnie Barbarino.

“Saturday Night Fever” (1977) 

“Would ya just watch the hair?” Travolta’s Brooklyn disco king Tony Manero is obsessed with his locks.

“Grease” 1978

Travolta slicked it back to play a greaser in the musical phenom “Grease.”