Question: What song recorded by Fergie was produced by Polow da Don and was followed by Life Goes On?

Related documents: [0]  [DOC] "Life Goes On" is a song recorded by American singer Fergie for her second studio album, "Double Dutchess" (2017). It was released as single on November 11, 2016, by Interscope and will.i.am Music Group. The song serves as the third single from Fergie's second studio album, following "M.I.L.F. $". "Life Goes On" was written by Fergie, Tristan Prettyman, Keith Harris and Toby Gad. [END] 
[1]  [DOC] "M.I.L.F. $" (pronounced "MILF money") is a song recorded by American singer Fergie for her second studio album, "Double Dutchess" (2017). It was produced by Polow da Don and released as the second single from the record following "L.A. Love (La La)" on July 1, 2016 by Interscope and will.i.am Music Group. It debuted at number 34 on the US "Billboard" Hot 100 with 65,000 in first-week sales. [END]  
Answer: M.I.L.F. $
M.I.L.F. $