"In My Head" is a song by American singer Jason Derulo, released as the second single from his self-titled debut studio album. It was first released via digital download on December 10, 2009. It topped the charts in Australia, Poland and the United Kingdom, and peaked within the top ten of the charts in several other countries. The song's official remix has a heavier R&B sound, and features Trinidadian rapper Nicki Minaj. Derulo performed the song on the ninth season of American Idol.