5. Irina Shayk
Girlfriend of Cristiano Ronaldo
Irina Shayk is a Russian model known for her appearances in the Sports Illustrated Swimsuit Issue from 2007 through to 2011.
She started modelling at the age of 19 and met her current boyfriend Cristiano Ronaldo of Real Madrid and Portugal while taking part in an Armani Exchange campaign.
Irina Shayk enters our sexiest WAG list at number 5.