"Here We Go Again" is a song recorded by American singer Demi Lovato. It was written by Isaac Hasson, Lindy Robbins and Mher Filian and produced by SuperSpy, for Lovato's second studio album of the same name. It was released as the album's lead single on June 23, 2009, through Hollywood Records. The song was the only single from Here We Go Again released in North America. "Here We Go Again" is a power pop song with guitar lines and pop hooks and the lyrics speak of the protagonist's on-off relationship with a hesitant boyfriend.

Demetria Devonne "Demi" Lovato is an American singer, songwriter, and actress. After appearing on the children's television series Barney & Friends (2002–2004), she rose to prominence for playing Mitchie Torres in the musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010). The former film's soundtrack contained "This Is Me", her debut single and duet, which peaked at number nine on the U.S. Billboard Hot 100.