In My Head (Jason Derulo song)

"In My Head" is a song by American singer Jason Derulo, released as the second single from his self-titled debut album, Jason Derulo (2010). It was released to radio on December 8, 2009, and digitally on January 2, 2010. The song was written by Derulo, Claude Kelly, and producer J. R. Rotem.

The song is an uptempo R&B and dance-pop track. Lyrically, "In My Head" is about a woman who is self-absorbed and unaware that the male protagonist is infatuated with her, believing that she loves him in return. The title refers to the protagonist's fantasy or wishful thinking.

"In My Head" was a commercial success, reaching the top ten in several countries, including Australia, Canada, the United Kingdom, and the United States. The single was certified Platinum or higher in several countries.

The music video for "In My Head" features Derulo performing the song in a futuristic, neon-lit environment, interspersed with scenes of him interacting with various women.