Rihanna is "Esquire" Magazine's Sexiest Woman Alive

Not surprisingly, Rihanna posed NUDE for the magazine.

The first runner-up was fellow pop star KATY PERRY.

Other ladies in the running included Rosie Huntington-Whiteley, Maria Bello, Emma Stone, Beyoncé, Mila Kunis, Hope Solo and MMA minx Gina Carano.