Taylor Swift & Haim Become Nelly's Hot And Macho Dance Watch This Video And Enjoy

Taylor Swift hits the stage with her BFFs from Haim during a surprise performance with rapper Nelly during The 1989 World Tour on Tuesday (September 29) at Scottrade Center in St. Louis, Mo. The 25-year-old singer and the Haim sisters – Este, Danielle, and Alana – served as the rapper’s backup dancers while he performed his hit song “Hot in Herre.”