What better way to endorse a product by having a celebrity athlete to do it for you? From tennis players to runners to dancers and volley ball players and skiers, here are some of the sexiest endorsements these athletes have put their name to. It's hard not to find these products extremely sexy after this. It works!

1. Allyson Felix


Modeling for Nike.

2. Sofia Boutella



Modeling for Nike.

3. Maria Sharapova



Modeling for Tag Heuer and Nike

4. Anna Kournikova


Modeling for Shock Absorber Bras

5. Serena Williams


Modeling for Nike.

6. Lindsey Vonn


Modeling for Under Armour and Red Bull

7. Erica Hosseini


Modeling for Oakley

8. Hope Solo


Modeling for Nike

9. Dara Torres


Modeling for Milk

10. Julia Mancuso


Modeling for Lange

11. Amanda Beard


Modeling for Speedo.

12. Kerri Walsh-Jennings


Modeling for Designer Whey