The Girls Next Door Crystal Harris reportedly auctioning off Hugh Hefner engagement ring 09/30/2011 Crystal Harris, the ex-fiancee of Hugh Hefner, is reportedly putting her platinum engagement ring up for auction. Read More RELATED NEWS Hugh Hefner died from cardiac arrest and was dealing with E. coli infectionKendra Wilkinson, Bridget Marquardt, Pamela Anderson, Kim Kardashian and more mourn Hugh HefnerHugh Hefner, 'Playboy' founder and former 'The Girls Next Door' star, dies at age 91 TAGS: Crystal Harris Hugh Hefner
