Crystal Harris Wedding Dress to Be Auctioned Off in Memory of Mary O'Connor

Mary is, of course, Hef's secretary Mary O'Connor, who passed away in January. She was a great friend (and "Mansion Mom") to the girls Magazine Photoshoot For 40 years.

According to Crystal Harris, Mary even played a key role in their reconciliation after she went all Runaway Bride on him during their first wedding attempt.

According to a statement from Charity Buzz, Harris' partner in the venture: "Crystal is donating this dress in memory of her good friend, Mary O'Connor."

"Mary was Hugh Hefner's longtime assistant of 40 years, and is credited with helping Crystal reconcile with Hef last year, ultimately leading to their recent wedding."

"Money raised will benefit the Leukemia and Lymphoma Society in Mary's name."

Bids Magazine Photoshoot For the 26-year-old Harris' gorgeous strapless, floor-length mermaid-style, soft pink Romona Keveza gown and Aruna Seth shoes will start at $1,000.