1. Lindsay Lohan in the 2000s:

Lindsay Lohan now:

2. Britney Spears in the 2000s:

Britney Spears now:
3. Paris Hilton in the 2000s:

Paris Hilton now:

4. Hilary Duff in the 2000s:

Hilary Duff now:
5. Lauren Conrad in the 2000s:

Lauren Conrad now:

6. Jennifer Lopez in the 2000s:

Jennifer Lopez now:

7. Beyoncé in the 2000s:

Beyoncé now:

8. Avril Lavigne in the 2000s:

Avril Lavigne now:

9. Megan Fox in the 2000s:

Megan Fox now:

10. Nicole Richie in the 2000s:

Nicole Richie now:

11. Brandy in the 2000s:

Brandy now:

12. Raven-Symoné in the 2000s:

Raven-Symoné now (with her wife):

13. Christina Aguilera in the 2000s:

Christina Aguilera now:

14. Mischa Barton in the 2000s:

Mischa Barton now:

15. Liv Tyler in the 2000s:

Liv Tyler now:

16. Tara Reid in the 2000s:

Tara Reid now:
17. Rachel Bilson in the 2000s:

Rachel Bilson now:
18. Halle Berry in the 2000s:

Halle Berry now:

19. Nicole Scherzinger in the 2000s:

Nicole Scherzinger now:

20. Keira Knightley in the 2000s:

Keira Knightley now:

21. Kelly Rowland in the 2000s:

Kelly Rowland now:

22. Ashlee Simpson in the 2000s:

Ashlee Simpson now:

23. Gabrielle Union in the 2000s:

Gabrielle Union now:

24. Michelle Williams in the 2000s:

Michelle Williams now:

25. Jessica Simpson in the 2000s:

Jessica Simpson now:

26. And last but not least, Sarah Michelle Gellar in the 2000s:

Sarah Michelle Gellar now:
