Avril Lavigne & Taylor Swift Perform Duet At Concert & Put An End To Feud — Watch

taylor-swift-avril-lavigne-reform-duet-concert-put-end-fued-tsr It’s all good between these two ladies. There is no longer any beef between Taylor Swift, 25, andAvril Lavigne, 30. Taylor surprised her fans by bringing Avril to the stage at her Aug. 29 San Diego concert and sang “Complicated” with Avril! Afterwards, Taylor praised Avril and said she just “loved her!” All is right with the world.