You look totally different now than you did five years ago. It's the same with your favorite celebrities. You just might not realize it. To prove how much they've changed, here are a few of your favorite stars' beauty transitions, brought to you by Seventeen:
1 Taylor Swift
2 Justin Bieber
3 Carrie Underwood
No one looks more elegant than Carrie. She sure knows how to pick flattering dresses!
4 Adele
5 Florence Welch
6 Lady Gaga
7 Pharrell Williams
Which celeb do you think has the cutest style?
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