The singer and actress left rivals like Sin City sexpot Jessica Alba and songbird Beyoncé trailing firmly behind her in the online vote by viewers of a US cable network.
J. Lo (41), declared: "Girls agonise over their butts and, at my age, it's so flattering to be told mine measures up alongside so many other famous females."
Here's how she hit the top of the bot parade...
J. LO - 21 PER CENT
She keeps her figure in shape with daily yoga and aerobics, saying: "The older you get, the more you have to work at it."
