The 17-year-old musician shared the spotlight with his good friend and sung with her as they covered his own tune, “Baby.”
Taylor tweeted after, “You think you’ve heard LOUD screaming in your life.. Then @justinbieber comes out and does a surprise song during your show. Woah. Unreal.”
Justin added, “@taylorswift13 we should do that more often. :) great show! #muchlove”
Check out the video below!
Justin Bieber & Taylor Swift – “baby” Duet – 08/23