Surprisingly, Madison was never actually a Playmate herself, just like the other two members of the show — Kendra Wilkinson and Bridget Marquardt.
Despite the lack of labels on their relationship, she sued Hefner for palimony after their break-up.
Hefner and Conrad quickly adapted their lifestyle to that of a traditional marriage.
After nine years of marriage, Conrad and Hefner separated although remained nominally married.
For this, the endangered marsh rabbit sub-species was named after him: Sylvilague palustris hefneri.
After an 11-year separation, Hefner filed for divorce stating irreconcilable differences in September 2009 after his youngest child turned 18; the divorce was finalized in March 2010.