From Wikipedia:

Keri Lynn Hilson (born December 5, 1982) is an American singer-songwriter and actress. Born and raised in Decatur, Georgia, she began her musical career as a songwriter and backing vocalist for other artists under the wing of record producer Anthony Dent in 2002. At the age of 14, Hilson secured a record deal with the girl group D'Signe, who disbanded without any releases. She attended Oxford College of Emory University while contributing to material for popular artists, including Britney Spears, Usher, Ciara, The Pussycat Dolls, and Mary J. Blige; she joined the songwriting-production group the Clutch in 2004.