"It's been very sad," she told host Andy Cohen. "I would never accuse somebody of doing anything unless I had proof."
Vanderpump had sworn to Richards on her children's lives she did not leak a story about Dorit Kemsley, who adopted a dog from Vanderpump's organization that ended up back at the center after being dropped off at a shelter.
"When you swear on your children's lives -- to me, that is sacrilege -- I'm not going to tempt fate of the two people, and Giggy, that I love more than anything else in the world," Vanderpump told Cohen.
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