 " Not Myself Tonight " is a song recorded by American singer and songwriter Christina Aguilera for her sixth studio album , Bionic ( 2010 ) . It was released by RCA Records as the lead single from the album on April 6 , 2010 . Produced by Polow da Don and co @-@ written in collaboration with Ester Dean , Jason Perry and Greg Curtis , " Not Myself Tonight " is an electropop and electro @-@ R & B song , which explores Aguilera 's adoption of different personas on the dance floor . 
