The Handsome and Always Charming Hugh Hefner

April 4: Hef (left center) with twin ex-girlfriends Karissa and Kristina Shannon, and his fiancee, Crystal Harris (far left). (Denise Truscello )

April 4: Hugh Hefner and ex-girlfriend Holly Madison reunited for his 83rd birthday. (Denise Truscello )

April 4: Kendra Wilkinson and Hank Baskett party at Hef's 83rd birthday celebration. (Denise Truscello )

April 4: Bridget Marquardt serenades Hef with a 'Happy Birthday' tribute. (Denise Truscello )

April 4: Hef parties with his girls through the years. From l to r, the Shannon twins, Kendra Wilkinson, Bridget Marquardt, Hef, Holly Madison and Crystal Harris. (Denise Truscello )

Hugh Hefner debuts his new twin girlfriends, Karissa and Kristina Shannon. (E! Online)

Hugh Hefner's holiday card featuring Karissa and Kristina Shannon. ( )

Feb. 25: Hugh Hefner, founder and Chief Creative Officer of Playboy Enterprises, arrives with his girlfriends at the "Festival di Sanremo" Italian song contest, in San Remo, Italy. (AP)

Feb. 20: Hugh Hefner, founder and Chief Creative Officer of Playboy Enterprises, talks during the "Festival di Sanremo" Italian song contest, in San Remo, Italy. (AP)

Feb. 25: This photo released by the Playboy Jazz Festival shows music producer Quincy Jones, left, with Playboy founder Hugh Hefner during a news conference at the Playboy Mansion in Los Angeles. (AP)

Hugh Hefner, the founder of Playboy, seen in an April 7, 2006 photo. (AP)

Sept. 24, 2008: Holly Madison, left, and Hugh Hefner arrive at the Fox Reality Channel Really Awards in Los Angeles. (AP)

June 7, 2007: Holly Madison, Hugh Hefner, Bridget Marquardt, and Kendra Wilkinson. (AP)

Dec. 4, 2003: Hugh Hefner, the founder of Playboy magazine, and Pam Anderson celebrate the 50th anniversary of Playboy magazine in New York. (AP)

Aug. 8, 1995: Hugh Hefner and wife Kimberly Conrad. (AP)

Nov. 11, 1982: Playboy founder Hugh Hefner shown with a Playboy magazine and a Playboy video. (AP)

April 2, 1974: Playboy founder Hugh Hefner shown arriving at the 1973 annual Academy Awards in Hollywood with actress Barbi Benton. (AP)

June 20, 1961: Hugh Hefner poses with 'bunny-girl' hostess Bonnie J. Halpin at the Playboy Club in Chicago. (AP)

Sept. 5, 1969: Hugh Hefner, publisher and owner of Playboy, and his girlfriend Barbara Benton, a 19-year-old coed turned actress, are surrounded by Bunny Girls at the Playboy Club in London. (AP)

Dec. 1, 2005: Christie Hefner, the CEO and chairwoman of Playboy Enterprises. (AP)