Knock You Down (feat Kanye West & Ne Yo) Sin... -

: The song was serviced to U.S. rhythmic and urban radio on April 7, 2009, followed by mainstream airplay on April 14, 2009.

is a contemporary R&B, hip-hop, and pop single by American singer Keri Hilson , featuring guest verses from Kanye West and Ne-Yo . Released in early 2009 as the fourth single from her debut album, In a Perfect World... , the track became one of the most successful R&B collaborations of the decade. Production and Release Knock You Down (feat Kanye West & Ne Yo) Sin...

: The song presents a narrative arc. Hilson describes a perfect love gone wrong, Ne-Yo represents a new, fulfilling love, and Kanye West provides a rap interlude reflecting on the heartbreak of a lost relationship. : The song was serviced to U

: It depicts a love triangle where Hilson is caught between her former partner (played by West) and her new love interest (played by Ne-Yo). Released in early 2009 as the fourth single

: The video includes scenes of Kanye West painting a portrait of Hilson and a physical confrontation between West and Ne-Yo that visually represents the song's title.