John Travolta, is that you?!

The 63-year-old actor was recently spotted on set with gray hair for his latest role of John Gotti in The Life & Death of John Gotti — and we can't get over how unrecognizable he looks after the transformation!

john travolta getty images

John as John Gotti on Feb. 21.

These new photos aren't the first time we've seen the Grease star sport a unique set of locks. Throughout his 45-year career, the actor has donned a plethora of different styles.

Click through the gallery below to see John’s full transformation over the years!