Usher Joins Taylor Swift Onstage For Yeahhh

Taylor Swift was in concert in Atlanta this weekend. One of her concepts she's been utilizing this tour is paying homage to a local artist in every city on her tour, for example when she performed The Fray's "How to Save a Life" in Denver available here.

While in Atlanta, she welcomed friend Usher on stage and the duo did a cool performance of Usher's "Yeahhh!!"  Check it out, okaaaay??  Yeahhhh???