MADONNA JOINS FORCES WITH ARTIST MARILYN MINTER

Madonna has started work on a top secret collaboration with controversial artist Marilyn Minter.

The pop superstar has added one of Marilyn Minter's photographs, of a giant pair of pink lips, to the backdrop of her ongoing Sticky + Sweet world tour and has requested a meeting with the New York-based artist.Marilyn Minter, who is known for her erotically-charged style, admits she has agreed to work with Madonna - but the project is so secret even she doesn't know what the Holiday hitmaker is planning.She tells the New York Daily News, She wants to come by my studio, so I guess I will find out then. Maybe she wants me to photograph her, or to work on a video.