Holly Madison

Ethan Miller/Getty Images for LAX Nightclub

Former "The Girls Next Door" star Holly Madison is no longer Hugh Hefner's girlfriend, but she still makes some of the Sexiest Celebrities lists.

TV personalities Holly Madison, left, and Bridget Marquardt attend the California Entertainer of the Year's "Heel" Hate, One Stiletto at a Time!" event on Jan. 12, 2010, in West Hollywood, Calif.

Holly Madison, left, is seen with Brittny Gastineau, center, and Bethenny Frankel at the Simon G. Jewelry "Spring Bling" event at The Palazzo Resort and Casino, May 30, 2009, in Las Vegas.

From left, actress Roselyn Sanchez, television personality Holly Madison and television personality Kim Kardashian attend the 7th Annual Leather and Laces Super Bowl Party at the Paris Theatre, Feb. 5, 2010, in Miami Beach, Fla.

Erich Bergen and Holly Madison perform during the Las Vegas Celebrates The Music of Michael Jackson charity concert, Aug. 29, 2009, at The Pearl in Las Vegas.

"Dancing With The Stars" contestants Holly Madison, left, and Melissa Rycroft pose together at the US Weekly Hot Hollywood Style Celebration in Los Angeles on April 22, 2009.

From left, Holly Madison, Hugh Hefner, Bridget Marquardt, and Kendra Wilkinson arrive at the premiere of "The House Bunny" in Los Angeles on Aug. 20, 2008.

Holly Madison, born in Oregon just before Christmas in 1979,is best known as one of Hugh Hefner's ex-girlfriends in the TV show "The Girls Next Door," which ran on E! network for six seasons. She also was a contestant on "Dancing with the Stars" in 2009.

Holly Madison, seen here with Hugh Hefner, has never been a Playmate but has appeared in nude pictorals in the magazine.

Drew Carey and Holly Madison pose on the red carpet for the grand opening of Wayne Newton's new Las Vegas show, "Once Before I Go," Oct. 28, 2009, at The Tropicana Hotel and Casino.

Actress Holly Madison from the reality show "The Girls Next Door" waves before throwing out the first pitch before a baseball game between the Los Angeles Angels and the Texas Rangers in Anaheim, Calif., Sept. 30, 2009.

Holly Madison arrives at the premiere of "The Goods Live Hard. Sell Hard" at Planet Hollywood on Aug. 12, 2009, in Las Vegas.

Holly Madison, right, and Laura Croft, walk the red carpet during CineVegas's opening night and world movie premiere of "Saint John of Las Vegas," June 10, 2009, at The Planet Hollywood Resort & Casino.

Playboy model Holly Madison, who competed on the eighth season of "Dancing With The Stars," poses in Las Vegas in 2009.

Dimitry Chaplin, rear, and Holly Madison perform on "Dancing with the Stars." Madison was a last minute additions to the show replacing injured contestants.

Playboy founder Hugh Hefner poses with his three girlfriends at the Fox Reality Channel's Really Awards in Los Angeles onSept. 24, 2008. With him from left are from left, Holly Madison, Bridget Marquardt, and Kendra Wilkinson.

Kendra Wilkinson, publisher Hugh Hefner, Holly Madison and Bridget Marquardt during the 36th Annual AFI Life Achievement Award tribute to Warren Beatty held at the Kodak Theater on June 12, 2008

Hugh Hefner with girlfriends Kendra Wilkinson, Bridget Marquardt and Holly Madison arrive for the 134th Kentucky Derby Saturday, May 3, 2008, at Churchill Downs in Louisville, Ky.

Bridget Marquardt,left, and Holly Madison of "The Girls Next Door," dance at a fundraiser for Brad Pitt's Make it Right Foundation at the House of Blues in the French Quarter of New Orleans on Feb. 4, 2008.

From left, Kendra Wilkinson, Bridget Marquardt, Playboy publisher Hugh Hefner and Holly Madison attend Playboy and Stoli's celebration of the September cover appearance and pictorial for "The Girls Next Door" on Aug. 15, 2006, at the Social Hollywood in Hollywood, Calif.

Playboy Publisher Hugh Hefner, poses with Kendra Wilkinson, Bridget Marquardt and Holly Madison at the "Hugh Hefner And the Girls Next Door" DVD signing at Tower Records on Aug. 3, 2006, in Los Angeles.

Playboy magazine founder Hugh Hefner, second right, holds a birthday cake with girlfriends Kendra Wilkinson, left, Bridget Marquardt, second left and Holly Madison, right, during a photocall to celebrate his 80th birthday at the 59th International film festival in Cannes, southern France, , May 25, 2006.

"Playboy" magazine founder Hugh Hefner and his three girlfriends are seen during the CNN program "Larry King Live," Nov. 29, 2005, at the CNN studios in Los Angeles. Hefner discussed his life as he nears 80 years of age, his relationships with his girlfriends and their reality television program "The Girls Next Door." From left are Holly Madison, Bridget Marquardt and Kendra Wilkinson.

Model Holly Madison poses on the press line at the Hollywood Life 5th Annual Hollywood Style Awards in Los Angeles on Oct. 12, 2008.

In this undated publicity photo released by the E! cable channel, Kendra Wilkinson, Hugh Hefner, Holly Madison and Bridget Marquardt, from left, pose poolside at Hefner's Beverly Hills, Calif., estate during a birthday party for Wilkinson.