premise: DNA features songs only written by other girl groups besides Little Mix.
hypothesis: DNA (Kendrick Lamar song) . The second track on the album , the song 's lyrics were written by Lamar , while the production was handled by Mike Will Made It . DNA (Little Mix album) . Songs on the album were also co-written by members of other girl groups , including Nicola Roberts of Girls Aloud , Shaznay Lewis of All Saints and T-Boz of TLC . featuring American rapper Missy Elliott was released on 17 April 2013 ; both songs reached the top 20 in the UK . `` DNA '' is a song recorded by British girl group Little Mix for their 2012 debut album of the same name . It was written by TMS , Iain James and Little Mix , while the production was handled by TMS .