Who says Taylor Swift and Selena Gomez can't sing on stage together? No one!
The girls empowered their young fans with a duet of Selena's "Who Says."
After the show Selena Tweeted, "Performing at Madison Square Garden with my best friend was a highlight.."
But Taylor's final guest on her tour was James Taylor and the two sang "Fire and Rain." What a perfect night!
Taylor Tweeted, "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."
Watch a fan's clip of the exciting performance on HERE!