Knock You Down (feat Kanye West & Ne Yo) Sin... Apr 2026

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

: The song was serviced to U.S. rhythmic and urban radio on April 7, 2009, followed by mainstream airplay on April 14, 2009. 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 : As of April 2011, the single had sold over 2

The song remains one of Keri Hilson's most significant commercial achievements: : As of April 2011