The following year Avril released her third album, “The Best Damn Thing,” again hitting No.1 on the charts, and again with a hit single, “Girlfriend.” More albums followed including 2011’s “Goodbye Lullaby” and 2013’s “Avril Lavigne.” She has also written songs for other artists, including Kelly Clarkson, Demi Lovato, and Leona Lewis as well as for movie soundtracks, including .The album was produced by Maida, Don Gilmore, and Butch Walker. Lavigne wrote much of the album with Canadian singer-songwriter Chantal Kreviazuk, with whom she had developed a friendship in the summer of 2003.Kreviazuk, whose husband Raine Maida's band Our Lady Peace opened for Lavigne's concert in Europe, introduced herself at an after-party for the SARS benefit concerts held in Toronto in June 2003.She gave a tearful interview in 2015 about why she was staying away from the spotlight in the past few years, explaining that she's in recovery."I think for me it's like a second chance at life," she said. Under My Skin is a bit awkward, sometimes sounding tentative and unsure, sometimes clicking and surging on Avril's attitude and ambition." Erlewine compared Lavigne to Canadian singer-songwriter Alanis Morissette. Under My Skin also went to number one in Canada, selling over 63,000 copies, the UK, selling 87,500 copies, Australia, Spain, Mexico and Taiwan. To date, Under My Skin has sold more than 14 million copies worldwide.To promote Under My Skin, Lavigne went on the "Live and by Surprise Tour", a 21-city mall tour in the United States and Canada.
They wrote songs for almost three weeks at Maida's warehouse in Toronto.Nearly two years later, they announced their separation but have remained good friends since.Lavigne has been lying low after being diagnosed with Lyme disease in 2014.Kreviazuk suggested Maida produce songs for the album, an ability Lavigne did not know.Maida produced five songs, including "Fall to Pieces", which he co-wrote with Lavigne.