No Boys Allowed is the second studio album by R&B artist Keri Hilson, released on December 17, 2010 via Mosley Music and Zone 4 Records. The album finds Hilson reuniting with Timbaland and Polow da Don, who executively produced Hilson’s her debut album, In a Perfect World… in 2009. Chris Brown, Rick Ross, J. Cole, Nelly, Kanye West and Timbaland all have featured guest vocals on the album with collaborations with Nelly, Rick Ross, Chris Brown, and J. Cole becoming first time collaborators. Musically, the album features elements of R&B, electro-pop, and dancehall in its songs. A total of four singles were released from the album “Breaking Point,” “Pretty Girl Rock,” “One Night Stand” featuring Chris Brown and “Lose Control” featuring Nelly.