minter_green_pink_cavier3Madonna and artist Marilyn Minter are “planning a collaboration” according to the Daily News, but nobody knows what it is. Minter guesses the 50-year-old pop star wants to be photographed or videotaped, presumably with a face full of slobber and jelly similar to the “Green Pink Caviar” video she bought as a backdrop to her “Sticky and Sweet” tour.