Holly Madison poses with a pre-pregnancy Kendra Wilkinson and Bridget Marquardt.
'Girl Next Door' Holly Madison cools her calves in the MGM Grand Hotel pool in Las Vegas.
Peepshow's Holly Madison in a promotional photo.
Holly Madison and Hugh Hefner before their October 2008 break up.
June 2007: Hugh Hefner and girlfriend Holly Madison pose at an 80th birthday salute to political satirist Mort Sahl in Los Angeles
Holly Madison (right) and the cast of "The Girls Next Door." From left, Kendra Wilkinson, Bridget Marquardt and Hugh Hefner.
Oct. 2008: Holly Madison poses at a Chickipedia event.
Aug. 21, 2008: Playboy Playmate Holly Madison at the premiere of the comedy film "The House Bunny" in Los Angeles.
Oct. 13, 2008: Holly Madison ("The Girls Next Door") at the 4th Annual Bowling for Boobies fund raiser in Los Angeles, Calif..
May 8, 2008: Holly Madison, right, and Playboy's 2008 Playmate of the Year Jayde Nicole, of Canada, pose for photographers during the Playmate of the Year luncheon at the Playboy Mansion in Los Angeles.
JuneJune 14, 2008: Holly Madison, ex-girlfriend of founder of Playboy magazine Hugh Hefner, attends the 30th annual Playboy Jazz Festival at the Hollywood Bowl in Hollywood, California.