Pop punk performer who became the youngest female solo artist to release a #1 album in the U.K. with Let Go, which was nominated for eight Grammy Awards. She released her self-titled fifth album in November 2013.
She began singing when she was two years old and, after her father built her a studio in the basement, she began performing at county fairs.
Her hit single "Complicated" won her the MTV Video Music Award for Best New Artist in a Video in 2002.
She has a older brother named Matthew and a younger sister named Michelle. She married Deryck Whibley on July 15, 2006 and divorced him on November 16, 2010. She was then married to Nickelback's Chad Kroeger from 2013 to 2015. She dated Phillip Sarofim from 2018 to 2019. She began a relationship with rapper Mod Sun. The couple announced their engagement in April of 2022. The couple later separated in February 2023. She began a relationship with rapper Tyga in early 2023 but they broke up a few months later.