Deborah Cox (born July 13, 1973 in Toronto, Ontario) is a Canadian R&B/pop singer, whose 1998 song "Nobody's Supposed to be Here" was the longest-running number one single in the history of Billboard magazine's R&B charts. Cox has achieved nine number-one hits on Billboard's Hot Dance Music/Club Play Chart.
On February 17, 2004, Cox made her Broadway debut in the Elton John-Tim Rice musical Aida.
From Wikipedia:Deborah Cox (born July 13, 1974) is a Canadian R&B singer-songwriter and actress. Her 1998 song "Nobody's Supposed to Be Here" held the record for longest-running number one single on Billboard's Hot R&B/Hip-Hop Singles & Tracks chart (14 weeks), a record held for nearly eight years. She has achieved ten number-one hits on Billboard's Hot Dance Club Play chart. She is often cited as Canada's top R&B artist.