She also notably performed the song at the 2009 BET Awards, where she used the Jackson reference of the song to give a tribute performance to the late singer.
Hilson and Ne-Yo knew each other from their days as co-songwriters.
The clip ends with Hilson falling backwards onto a bed, in similar fashion as the opening scene.
Both start reflecting on their previous relationship, before the clip flashes back to the previous events.West is shown to be an artist, who is painting a portrait of Hilson."Knock You Down" peaked at number one in New Zealand, and was certified Platinum by the Recording Industry Association of New Zealand.It also reached the top ten in Canada, Ireland, the United Kingdom, and the United States.Ne-Yo and Hilson proceed to go on a date at a party in West and Hilson's apartment, and are seen being affectionate by West.
He then confronts Hilson, and Ne-Yo also approaches the duo before Hilson walks off, torn between the two men.
It wasn’t an attraction to the status and the money.
I am no different from other women when it comes to attraction to qualities of a man. I want someone who loves God genuinely and respects women, [is] loyal.
Hilson and West begin to caress each other, as she as shown in several seductive poses in a bed and sings in front of a white backdrop.
The video returns to the present, showing Hilson and West breaking up, as both of them fall backwards onto the floor, similar to the way Hilson falls on to the bed in the opening sequence.
The song was released first released to rhythmic and urban airplay in the United States as the album's fourth single in the US, and it would later serve as the third worldwide single.