09/30/2011 09:31 am ET Updated Nov 30, 2011

Crystal Harris, Hugh Hefner's Ex Fiance, To Auction Off Ring

A diamond isn't always forever ... sometimes its only for 6 months -- especially for Hugh Hefner's ex-fiancee Crystal Harris ... who just put her engagement ring on a pretty famous auction block!

Read more on TMZ

Subscribe to the Entertainment email.
Home to your favorite fan theories and the best movie recs.