WATCH: Avril Lavigne Joins Taylor Swift On Stage for ‘Complicated’ Duet

Canadian pop rock star Avril Lavigne has joined the long line of celebrities to join Taylor Swift on her “1989 World Tour” as they shared the stage for one epic duet.

Together they performed the 30-year-old’s 2002 hit “Complicated” to the delight of the packed-out crowd at Petco Park in San Diego.

Swift later took to Twitter to share her love for the ‘Sk8r Boi’ singer with some photos from the show.

She already shared a photo on her Instagram and captioned it: “Taylor hearts Avril.?”

WATCH: Avril Lavigne Joins Taylor Swift On Stage for 'Complicated' Duet
© taylorswift

Lavigne also posted photos on her Instagram and wrote: “Such a Pleasure to perform “Complicated” tonight with @taylorswift on her #1989 world tour! She ROCKS. Sha then added: “She is a Doll ?????? Thank you Taylor for having me up on stage and thank you San Diego ???? #Complicated #Grateful”.

Watch their performance below: