20 Shocking Celeb Body Transformations

It's no secret that people change over time in looks as well as personality. But sometimes their transformation will make you wonder. When it comes to celebrities, they use a lot of makeup and use other methods including plastic surgery to enhance their beauty. Some celebs choose for a subtle beauty overhaul - only opting for different hair color or quick teeth whitening - while others are so dramatic, the star looks almost unrecognizable. Here are some surprising transformations of celebs over time.

1 Rob Kardashian

2 Jennifer Lawrence

3 Renee Zellweger

4 Lana Del Rey

5 Zac Efron

6 Miley Cyrus

7 Justin Bieber

8 Chris Pratt

9 Nicole Donovan

10 Khloe Kardashian

11 Kesha

12 Jared Leto

13 Jessica Simpson

14 Bradley Cooper

15 Taylor Swift

16 Snooki

17 Ariana Grande

18 Kelly Osbourne

19 Pete Wentz

20 Liam Pane