The 2010 MTV Movie Awards was the 19th annual ceremony which took place on June 6, 2010, at the Gibson Amphitheatre in Universal City, California. Aziz Ansari served as a host for the ceremony. Voting the nominees began from a list of eligible contestants on March 29, 2010, and ended on April 9, 2010. The nominees itself were announced on May 12, 2010, and the winners were voted by the public.

"Not Myself Tonight" is a song by American singer Christina Aguilera for her sixth studio album Bionic (2010). It was released by RCA Records as the lead single from the album on April 2, 2010. Produced by Jamal Jones a.k.a. Polow da Don and co-written in collaboration with Greg Curtis, Ester Dean and Jason Perry, "Not Myself Tonight" is an electropop, electro-R&B and dance-pop song, which explores Aguilera's adoption of different personas on the dance floor.