It’s time for major change in both girls and boys life and these celebrities are not resistant to this natural process. Girls typically begin the process of puberty at age 10 or 11; boys at ages 11–12. Girls usually complete puberty by ages 15–17, while boys usually complete puberty by ages 16–17.
25. Nicole Kidman.
24. Taylor Lautner.
23. Tom Cruise.
22. Julia Roberts.
21. Georgie Henley.
20. Jake Gyllenhaal.
19. Iggy Azalea.
18. Cristin Milioti.
17. Kesha.
16. Kristen Stewart.
15. Chris Pine.
14. Jimmy Fallon.
13. Jeremy Renner.
12. Zooey Deschanel.
11. Megan Fox.
10. Nick Jonas.
9. Taylor Swift.
8. Chris Pratt.
7. Matthew Lewis.
6. Joe Manganiello.
5. January Jones.
4. Ryan Seacrest.
3. George Clooney.
2. Rashida Jones.
1. Zac Efron.