Taylor Swift, Capital Summertime Ball 2013 [VIDEOS]: Harry Styles' Ex-Girlfriend Performs Hit Songs Including Surprise Duet with Ed Sheeran

Taylor Swift performed her hits "I Knew You Were Trouble" and "22" at the 2013 Capital Summertime Ball at London's Wembley Stadium this weekend. She even surprised fans with a surprise duet performance of "Everything Has Changed" with "Red Tour" opener Ed Sheeran. The 23-year-old pop star blew the audience away with her performances as well as her sexy style. Swift showed off her long legs in short shorts while dancing around the stage during her performances. Before the Summertime Ball, the songstress did a quick on-air interview discussing her current tour and the songs she planned on performing during the concert. Read More »