I guess EVERYONE wants to perform with Taylor Swift! She was performing at New York City’s Madison Square Garden on Monday and who was the surprise guest? Johnny Rzeznik, the lead singer of the Goo Goo Dolls!

Other artists that have popped up for a surprise performance on her tour "Speak Now" are Tim McGraw, Kenny Chesney, Ronnie Dunn and Darius Rucker, Justin Bieber, Nicki Minaj, B.o.B., Hayley Williams, Switchfoot, Nelly and Ellen Degeneres.


Watch Taylor Swift and Goo Goo Dolls’ Johnny Rzeznik Perform ‘Iris’