Diane Eve Warren (born September 7, 1956) is an American songwriter. She has won an Academy Honorary Award, Grammy Award, an Emmy Award, two Golden Globe Awards and three consecutive Billboard Music Awards for Songwriter of the Year from 1997 to 1999. She first gained recognition for her work on DeBarge's 1985 single "Rhythm of the Night". By the late 1980s, she joined the record label EMI, where she became the first songwriter in the history of Billboard magazine to have written seven hit songs, each recorded by different artists, prompting EMI's UK Chairman Peter Reichardt to call her "the most important songwriter in the world".