Marie Dionne Warwick (born December 12, 1940) is an American singer, television host, and former Goodwill Ambassador for the UN's Food and Agriculture Organization. Warwick ranks among the 40 biggest US hit makers between 1955 and 1999, based on her chart history on Billboard's Hot 100 pop singles chart. She is one of the most-charted female vocalists of all time, with 56 of her singles making the Hot 100 between 1962 and 1998 (12 of them Top Ten), and 80 singles in total – either solo or collaboratively – making the Hot 100, R&B and/or adult contemporary charts.