Bodog Beat

Have no doubt, the Hef has plenty more years of baby makin' ahead of him. (AP Images)

According to U.K. tabloid Female First, Playboy head honcho Hugh Hefner is trying is darndest to get girlfriend Holly Madison knocked up. The two are apparently so desperate to get pregnant, they are spending all of their time having sex.

"We do want a baby," said 28-year-old Madison. "There has been lots of trying – lots of trying! My perfect Valentine's Day present would be a hous and a kid."

And while Hef is in no rush to the altar, he is definitely open to spreading his seed. "There will be lots of romantic years ahead, but a wedding? We'll see," said the Hef.

The 81-year-old tycoon already has four children: Christie, 55, David, 52, Marsden, 17, and Cooper, 16. The last two boys are with former Playboy model Kimberley Conrad, whom Hefner is still legally married to.

As for Hef's other two live-in girlfriends, Kendra Wilkinson and Bridget Marquardt, there is no word as to whether Hef wants to impregnate them as well.