Danielle Michelle Brown ( June 12 , 1980 -- November 14 , 2014 ) , better known as Diem Brown , was a recurring cast member on MTV 's reality television series `` The Challenge '' and an entertainment reporter .
Diem Brown ( June 12 , 1982 -- November 14 , 2014 ) was an American television personality and journalist . She was a recurring cast member on MTV 's reality television series `` The Challenge '' .