Taylor Swift and Avril Lavigne performing 'Complicated' • Tour : The 1989 World Tour (2015) • Date : August 29, 2015 • City : San Diego, California • Venue : Petco Park 0:00 Taylor talks about the guest 0:13 Taylor introduces Avril Lavigne 0:20 Song starts 4:21 End of the performance Original videos (all credits to the ones who filmed this performance) : - - - - - - - - -
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