Hilson's debut studio album, In a Perfect World..., was released in 2009, and debuted at number four on the US Billboard 200 chart, eventually being certified gold by the Recording Industry Association of America (RIAA).
Hilson performed "Slow Dance" with The Roots on Late Night with Jimmy Fallon on September 18, 2009.
Hilson spent most of her teenage years working with producer Anthony Dent, as a songwriter and background vocalist for the likes of Usher, Ludacris, Kelly Rowland, Toni Braxton, Ciara and Polow da Don. Blige's "Take Me as I Am" (2006), Omarion's "Ice Box" (2006), Ciara's "Like a Boy" (2006), The Pussycat Dolls' "Wait a Minute" (2006) and Britney Spears' "Gimme More" (2007).
The following year, Hilson was featured on three singles; in June, on Timbaland's song "The Way I Are", the second single from his album Shock Value (2007); on Rich Boy's "Good Things" with Polow da Don; and thereafter, in December, on Timbaland's song "Scream" with Nicole Scherzinger, the fifth single from Shock Value.
She was born and raised in Decatur, Georgia, and spent most of her youth working with producer Anthony Dent, as a songwriter and background vocalist for several R&B and hip hop artists.
By the age of 14, Hilson had secured a record deal with the girl group D'Signe, who later disbanded.
In 2016 Hilson announced that her upcoming third album would be titled L. She has contributed in the fight against HIV and AIDS, helped various relief efforts for natural disasters, and became involved with several educational organizations.