Blessed with a five-octave range, Mariah Carey has been a star since the release of her first single, “Vision of Love,” in 1990. Since then she’s become one of the biggest stars of all time, racking up five Grammy Awards and shattering sales records along the way. In 2008, Carey earned her eighteenth number-one single, the most by any solo artist. Having worked with everyone from Diddy to Tony Bennett, the singer earned raved for her role in the film Precious. She married Nick Cannon in 2008 and they are the parents of twins Moroccan and Monroe, born in 2011.