Singer Elton John's partner David Furnish targeted pop star Madonna, calling her Golden Globes win "a fluke" and urging her to "stick to what she's good at".

Madonna. Pic/AFP

Madonna's number "Masterpiece" from her directorial project "W.E.", won the best original song - motion picture at the Golden Globes ceremony here Sunday and this infuriated Furnish, who later wrote on social networking site, "Madonna. Best song????!!!(sic)"