"What the Hell" is a 2011 single from Canadian singer Avril Lavigne's album Goodbye Lullaby. It was released on January 11, 2011. The song received a 4 out of 5 from About.com, a 5 out of 5 from Digital Spy and a 3.5 out of 5 from Rolling Stone. It was called positive by Blogcritics, Frost Magazine, Idolator, and MTV. It was classified as a mixed reaction by Stereoboard.com.