Taylor Swift to be special guest at Rolling Stones' concert

Singer Taylor Swift will be the special guest performer on the The Rolling Stones' "50 & Counting" North American tour tonight.
The 23-year-old country singer is the latest celebrity to appear on the tour along with Carrie Underwood, Gwen Stefani, Tom Waits and Katy Perry, reported Ace showbiz.
The band will play at the United Centre, Chicago.
"Tonight's special guest will be Taylor Swift!" the Stones tweeted.
However the band has not announced on which song Swift will have a duet on with frontman Mick Jagger.