The American Idol judge is featured in a sexy boxing shoot for V magazine, plus she dishes on her failed marriage!

J-LO IN A JOCK STRAP?! JUST WAIT TIL YOU SEE THESE PICS. JENNY FROM THE BLOCK COMES OUT SWINGING ON THE COVER OF THE NEW ISSUE OF V MAGAZINE.


THE AMERICAN IDOL JUDGE STRIPS DOWN TO NOTHING MORE THAN A PAIR OF GLOVES IN A STEAMY BOXING-THEMED PHOTO SPREAD. OH, AND THERE'S AN INTERIEW IN THERE TOO.
JENNIFER, WHO HAD FIGHTING TRAINING FOR THE MOVIES MONEY TRAIN AND ENOUGH, TELLS THE MAG: 'I can take a lot of punches and still keep going. I've been trained like a boxer to go 15 rounds.'

SHE ALSO DISHES ON HER FAILED MARRIAGE TO MARC ANTHONY, SAYING: 'I mean, we're parents and friends first. That will be the thread that ties us together. I don't know if people expect it to be negative just because the relationship didn't work out.'

THE FORMER COUPLE SEEMED TO GET ALONG FINE WHEN THEY PROMOTED THEIR UNIVISION TALENT-SEARCH SERIES, 'Q'VIVA: THE CHOSEN' -- EVEN THOUGH BOTH HAVE APPARENTLY MOVED ON.

SHE'S DATING BACKUP DANCER CASPER SMART, AND THE OBJECT OF HIS AFFECTION IS MODEL SHANNON DE LIMA..