Taylor Swift invited BFF Selena Gomez to join her onstage to sing "Who Says"!!
"One of my best friends, she is such an amazing singer, and we, in the 4 years that we've been best friends have never sung on stage together and I think that is just such a shame. So it just so happens, Selena is here tonight!" - Taylor Swift
source
"One of my best friends, she is such an amazing singer, and we, in the 4 years that we've been best friends have never sung on stage together and I think that is just such a shame. So it just so happens, Selena is here tonight!" - Taylor Swift
source