Crystal Hefner (née Harris; born April 29, 1986) is an American model, DJ, and television personality. She was the Playboy Playmate of the Month for December 2009, and is the widow of Playboy publisher Hugh Hefner, having been married to him from December 31, 2012 until his death on September 27, 2017.
She appeared as "Co-Ed of the week" on Playboy.com magazine during the week of October 30, 2008, under the name Crystal Carter. Beginning in late 2009, Harris appeared in one of the seasons of E!'s The Girls Next Door reality show.
In 2012, Hefner co-designed a range of swimwear with Australian designer and owner of Veve Glamor Swimwear, Vanessa Bryce. Then in 2014 she announced a line of "intimates, athleisure and loungewear" that was co-designed with Rhonda Shear to be sold through her website.
In January 2009, Harris started dating Hugh Hefner, who was 60 years her senior. joining the Shannon Twins after his previous "number one girlfriend," Holly Madison, had ended their 7-year relationship. On December 24, 2010, she became engaged to Hefner, to become his third wife. Harris broke off their engagement on June 14, 2011, five days before their planned wedding. In anticipation of the wedding, the July issue of Playboy, which reached store shelves and customers' homes within days of the wedding date, featured Harris on the cover and in a photo spread as well. The headline on the cover read "Introducing America's Princess, Mrs. Crystal Hefner." Hefner and Harris subsequently reconciled and married on December 31, 2012.
In 2016, Hefner announced on her social media outlets that she had been diagnosed with Lyme disease and toxic mold and "breast implant illness" which aggravated her Lyme disease. Hefner stated that she experienced "brain fog" and "chronic fatigue" due to the implants' rupture, but had them removed which alleviated some of the symptoms. She remained married to Hefner until his death in 2017.