She's filed a defamation suit against dealer Marco Grassi. He was quoted in the recent New York Magazine article about her as saying: ""A gallery person has an absolute responsibility to do due diligence, and I don't think she did it. The story of the paintings is so totally kooky. I mean, really. It was a great story and she just said, 'this is great.'"
UPDATE: The Art Market Monitor posts the complaint.