High Quality Content by WIKIPEDIA articles! Maureen "Mau" Flores Marcelo (born May 13, 1980) is a Filipina Puertorican R&B soul singer who rose to prominence as the first winner of Philippine Idol in 2006. She was dubbed as the "Soul Idol" and "The Black Belter" at the competition for her R&B-style vocals. She was also called "Philippines` Diamond Diva" after her much-applauded performance of "Diamonds Are Forever" by Shirley Bassey during the Movie and Musical Theme Week.