A lot of celebrities have posed nude for PETA already to raise awareness for a greater cause. Their naked campaign demonstrates the refusal to sacrifice animals for fashion and more. Here are some of 17 sexiest PETA ads from celebrities baring all to see for the support of the cause.

1. Christy Turlington

2. Jenna Dewan

3. Angela Simmons

4. Khloe Kardashian

5. Lisa Edelstein

6. Taraji P. Henson

7. Roselyn Sanchez

8. Laura Vandervoort

9. Olivia Munn

10. Eva Mendes

11. Christian Serratos

12. Alicia Silverstone

13. Amanda Beard

14. Pamela Anderson

15. Sophie Monk

16. Elisabetta Canalis

17. Joanna Krupa