See all the celebs who have made surprise appearances on Taylor Swift's '1989 World Tour.'
It's all mad love between Taylor and Avril.
After Taylor Swift 'liked' a shady post comparing their fan interactions, Avril Lavigne spoke out.
The singer made her first performance in over a year.
The singer tells 'Good Morning America' about the sickness that left her totally bedridden.
Avril Lavigne fans, get ready to feel all the feels. The singer just debuted her new song "Fly" -- and it's awesome.
Avril's Lavigne's upcoming song "Fly" played a major role in the singer's personal life. And we'll get to hear it very, very soon.
Avril Lavigne opened up about her scary battle with Lyme Disease to PEOPLE magazine.
Avril Lavigne is back with a new music video for her single, 'Give You What You Like' and fans are, unsurprisingly, totally thrilled.
Avril Lavigne just dropped the trailer for her 'Give You What You Like' video -- and it's like nothing we've ever seen from the singer!