The Girls Next Door 10 Years Later: From the Playboy Mansion Limelight to Bitter Bunny FightsA decade has passed since we first met Holly Madison, Bridget Marquardt and Kendra Wilkinson on the E! reality show

MARY'S WORDS OF WISDOM

Any fan of The Girls Next Door will remember the wise words and gossip sessions shared between Holly, Bridget, Kendra and Hefner's longtime secretary, the late Mary O'Connor. Married to her equally memorable husband Captain Bob, O'Connor served as the trio's "housemother" of sorts, always ready to offer up advice on life, career and – of course – Hef himself. "Mary is the glue for everything that goes on in the Mansion," Bridget said in a season 4 episode. "But she's still a part of the family."