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
She looks different than she did in 2008, but she looks just as beautiful.
2 Justin Bieber
Bieber proves that men can change their style just as much as women can.
3 Carrie Underwood
No one looks more elegant than Carrie. She sure knows how to pick flattering dresses!
This woman looks amazing, no matter what she's wearing.
5 Florence Welch
Florence's unique style never looks bad on her.
6 Lady Gaga
Lady Gaga's outfits are always surprising, but never disappointing.
7 Pharrell Williams
Pharrell looks just as good as he sounds.
Which celeb do you think has the cutest style?