Video! Mario Lopez Is 'Rated M'

Move over Marky Mark! "Extra" host Mario Lopez is taking it all off... in a sexy campaign for his new line of underwear, Rated M.

Lopez explained, "The 'M' stands for masculine, modern, Mario... make it whatever you want it to be."

The muscular and manly Lopez posed in the underwear for a photo shoot, and dished about his workout and diet regimen that helped him prepare for the steamy pic.

Check it out!

To get your pair of Rated M underwear, visit