Keri Lynn Hilson (born 1982) is an American recording artist signed to Zone 4, Mosley Music Group and Interscope Records. She is part of a collective of writers and producers known as The Clutch. Through the early and late 2000s, Hilson wrote songs for multiple rappers and singers, including Britney Spears and Ludacris. In 2007, she guest performed on Timbaland's hits "The Way I Are" and "Scream" and began a solo singing career. Hilson has made cameos in music videos for Usher, Ne-Yo and Nelly, amongst others. Her debut album, In a Perfect World..., was released in early 2009, spawning singles "Energy", "Return the Favor", "Turnin' Me On" and "Knock You Down".