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

: It was nominated for Best Rap/Sung Collaboration at the 52nd Annual Grammy Awards. Lyrical Meaning and Themes

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...

: Originally written by Hilson and produced by Danja , the song evolved when Ne-Yo requested to write and perform the second verse. Kanye West later joined the project after expressing interest in collaborating on Hilson's debut album. : It was nominated for Best Rap/Sung Collaboration

: As of April 2011, the single had sold over 2.1 million digital copies in the United States. , the track became one of the most

Directed by , the music video premiered on March 12, 2009.

: 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.