Duets: The Final Chapter (sometimes referred as The Biggie Duets) is the second posthumous album by late American rapper The Notorious B.I.G., and is a collection of songs featuring appearances of other prominent rappers. The album was released by Bad Boy Records and Atlantic Records in the UK on December 19, 2005, and in the US on December 20[1] and charted at #3 selling 438,000 copies, beaten by the extremely high sales of Jamie Foxx's Unpredictable and Mary J. Blige's The Breakthrough.[2] In the UK it climbed as high as #13 after the release of the album's first single "Nasty Girl". It is his second posthumous album that was certified platinum.

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