 Since its release , " Unfaithful " has been a staple of Rihanna 's performances . On July 27 , 2006 , she performed the song on the former MTV series , Total Request Live . Rihanna opened the 2006 MOBO Awards on September 20 , 2006 at the Royal Albert Hall in London with a performance of " Unfaithful " . On November 15 , 2006 , Rihanna performed the song at the 2006 World Music Awards , which also took place in London . 
