Lavigne has been open about her struggles with Lyme disease, which she was diagnosed with in 2014. She's also been an advocate for animal rights and has supported various charitable organizations, including the ASPCA and the Make-A-Wish Foundation. Lavigne has been married twice, first to Sum 41 lead singer Deryck Whibley from 2006 to 2010, and then to Chad Kroeger, the lead vocalist of Nickelback, from 2013 to 2016.