Selena Gomez & Taylor Swift Perform Duet at Madison Square Garden (VIDEO)

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Selena Gomez and Taylor Swift are two talented besties. The girls took to Madison Square Garden in NYC Tuesday night to sing a duet!

The girls sang SelGo’s single “Who Says” in their first performance together. Another surprise guest at Taylor’s concert off her NYC leg of the Speak Now tour, renowned singer James Taylor!

Selena, 17, tweeted about the night, writing: 

“Performing at Madison Square Garden with my best friend was a highlight.. Congratulations Taylor on Speak Now tour!! Love you ”

Taylor, 22, also tweeted her gratitude, writing:

“I have so much to be thankful for this year. I’m leaving New York, replaying this tour in my mind. I love you all so much.”

Whose music do you listen to more: Selena or Taylor’s? Play music critic in the comments!