Last night, Taylor Swift continued her 1989 tour trend of bringing out international superstars for special performances by welcoming Avril Lavigne onto the stage for a special performance of Avril's hit song, “Complicated.” Make sure to check out fan-shot video below. [Image via Twitter]

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This performance seems to dispel speculation that Avril had beef with Taylor over fan comparisons of the two superstars' meet-and-greet photos. While Avril seemed a bit annoyed at Taylor's alleged shade-throwing on Twitter last week, it was all smiles on stage last night. 

If Taylor were to bring out musician from the deeper in the alternative music scene, who would you want to see?