(Photo by Dimitrios Kambouris/Wire Image) NEW YORK - SEPTEMBER 10: Melania Trump attends Duchess after party for Chanel at The Cooper Square Hotel on September 10, 2008 in New York City. Walker/Andrew Walker/Getty Images for CHANEL Beaut? )NEW YORK - JUNE 25: Melania Trump-Trump attends the 37th Annual Police Athletic League Superstar Award Dinner at The Pierre Hotel on June 25, 2009 in New York City. Todaro/Wire Image)NEW YORK - MAY 03: Melania Trump attends the Costume Institute Gala Benefit to celebrate the opening of the 'American Woman: Fashioning a National Identity' exhibition at The Metropolitan Museum of Art on May 3, 2010 in New York City.
(Photo by Kevin Mazur/Wire Image)NEW YORK, NY - APRIL 20: Model/mother/entrepreneur Melania Trump visits Sirius XM Studio to promote her new QVC Melania Timepieces & Jewelry Collection on Cosmo Radio on April 20, 2011 in New York City.
(Photo by Evan Agostini/Getty Images)NEW YORK - DECEMBER 13: Businessman Donald Trump and his fiance Melania Knauss arrive at a gala to honor leaders in tourism sponsored by NYC & Company at the Museum of Modern Art December 13, 2004 in New York City.
(Photo by Scott Gries/Getty Images)NEW YORK - DECEMBER 16: Melania Knauss and Donald Trump attend the after party for the final episode of 'The Apprentice 2' at the Roseland Ballroom December 16, 2004 in New York City.
(Photo by Bryan Bedder/Getty Images)Melania Trump during 'Poiret: King of Fashion' Costume Institute Gala at The Metropolitan Museum of Art - Arrivals at Metropolitan Museum of Art in New York City, New York, United States.
Watch the jaw-dropping clip here."I heard a rumor that you once dated Donald Trump," host Andy Cohen asked Richards. However, the reality star dodged any further questions about the matter."Let's not get into it," she said. I had dinner with Donald." Of course, co-star Lisa Vanderpump just had to ask: "Sex or not?
"To which Kim replied with a few laughs: "Let's just leave it at this.
(Photo by Astrid Stawiarz/Getty Images) Melania Trump during Fashion Group International Presents The 22nd Annual Night of Stars Honoring 'The Romantics' - Inside at Cipriani in New York City, New York, United States.
(Photo by Dimitrios Kambouris/Wire Image)Melania Trump during TRH The Prince of Wales and The Duchess of Cornwall Attend the Museum of Modern Art Gala at Museum of Modern Art in New York City, New York, United States.