Former playboy model Karissa Shannon showed off her black bra in a semi see-through white tank top at Katsuya in Hollywood on Tuesday. She was dining with her boyfriend Sam Jones III.

Karissa is rumored to have made a girl-on-girl sex tape with Heidi Montag of "The Hills" fame. Karissa is also writing a book in which she takes aim at new mom Kendra Wilkinson.

But the real question is, if there's no sex tape - as it appears there may not be - then when are Karissa's 15 minutes of fame over?






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