We’ve all wasted afternoons going through old pictures of ourselves, reminiscing about the past and laughing at outdated clothes and hairstyles. And the same could be said of A-list celebs! It’s hard to believe Chris Pratt has been both Star-Lord from Guardians of the Galaxy as well as Andy from Parks and Recreation. And who would have thought Hannah Montana would grow up to twerk? Here are the most stunning celebrity transformations!