You can watch a video of 'Nasty Song' on the YouTube website.
Once you are on the YouTube website, type 'Lil Ru Nasty Song' into
the search and press enter to bring up the song.
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It is a song called Nasty Girl by Nitty
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There are two listed artist who sing a song titled "Nasty Girl".
These artist are Notorious B.I.G. and the group Destiny's
Child.