Hey, Chicago! Are you ready to rock? The Rolling Stones will be hitting The Windy City tonight on their 50 & Counting tour and will be bringing along a fresh-face to entertain the crowd. None other than Taylor Swift! The Stones announced their special guest on their Twitter saying:

Taylor Swift also shared a message on her Facebook: "Cool news! Taylor is The Rolling Stones' special guest at their concert in Chicago tonight. If you go to the show, come back and share your experience with us here. We know it will be amazing!"

What song do you think T. Swift will perform with the Stones? We'd honestly love to hear Taylor perform something totally out of her wheelhouse in the realm of 'Brown Sugar' or 'B---h.' The world is watching Taylor!