Happy 25th birthday, Emma Stone! She captured our hearts in Superbad, and the rest is history — Stone has become a Hollywood heavyweight in a matter of years, and has already picked up leading roles in films like Easy A, Crazy, Stupid, Love, The Help, and The Amazing Spider-Man. Up next for Emma? She is currently filming Woody Allen’s latest movie alongside Colin Firth, Magic In The Moonlight, a romantic comedy set in the 1920s and 30s. Also, we can look forward to seeing her in The Amazing Spider-Man 2 where she will reprise her role as Gwen Stacy, out May 2, 2014. As Stone’s career has flourished, her style has transformed — most notably her locks — though she has currently settled on her signature red hue. To celebrate her birthday, take a peek back at all of Emma’s most memorable looks and check out her ever-changing hair color.