
UNITED STATES - SEPTEMBER 09: WELCOME BACK, KOTTER - John Travolta Portrait - Pilot -, 9/9/75, John Travolta played Vinnie Barbarino, the leader and ladies' man of the Sweathogs, a class of delinquents in a Brooklyn high school., (Photo by ABC Photo Archives/ABC via Getty Images)
Happy 62nd Birthday, John Travolta!
To celebrate the iconic actor's special day, click through the gallery above to see his hair evolution from 1975 to 2016. Spoiler alert: His look changes A LOT!