"Here We Go Again" is a song performed by American recording artist 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. "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.
The song received positive reviews from critics, who praised its pop hook and made comparisons with works by Kelly Clarkson. "Here We Go Again" peaked at number 15 on the Billboard Hot 100 and became Lovato's first top 40 hit on the chart as a solo artist.