(Best Friend's Ass)" is a song by Belgian production duo Dimitri Vegas & Like Mike featuring American media personality Paris Hilton.

[2][3] Hilton raps on the song.

Kim Kardashian stars in the music video, which also features drag queen and Britney Spears impersonator, Derrick Barry[4] and transgender influencer Nikita Dragun.

Part of the filming was featured on an episode of Keeping Up with the Kardashians.

[5] Hilton tweeted a photo of herself and Kardashian on 3 May, captioning it "#SecretProject with @KimKardashian" and quoting a line from the song.