Pics: See the incredibly sexy underwear model and Sports Illustrated cover girl who's causing a storm in America

CLICK ON THE YELLOW ARROWS TO SEE MORE PICTURES OF THE RIDICULOUSLY ATTRACTIVE UNDERWEAR MODEL KATE UPTON

America's male population is in meltdown having suddenly discovered the delights of model Kate Upton who was picked as the cover girl for Sports Illustrated's prestigious swimsuit issue. The American magazine, which last year chose ex-Man United player Cristiano Ronaldo's girlfriend Irina Shayk for the honour, doubles its monthly sales with this edition and looking at our photo gallery above, it's not hard to see why!