Madonna has paid tribute to the late singer and model Nick Kamen, who passed away earlier this week at the age of 59.Kamen, who was known as a Levi’s model and, later, for his solo singles ‘Each Time You Break My Heart’ (1986) and ‘I Promised Myself’ (1990), is understood to have died on Tuesday night (May 4) after a long illness.Madonna and Kamen worked closely together for a period in the 1980s, with the former notably co-writing and contributing vocals to Kamen’s ‘Each Time You Break My