Beyoncé surprises Oprah!

Yesterday, May 17, evening, Beyonce took over the United Center in Chicago, IL as part of theSurprise Oprah! Farewell Spectacular. The special event marks the end of The Oprah Winfrey Show after 25 years of being on air. Beyonce performed the Switch-produced track “Run the World (Girls)” for the very first time and is said to have blown everyone away. The special will air as two episodes. The first of which will feature Beyonce’s rousing performance for Oprah’s biggest fans. It will air on Monday, May 23rd. Check your local listings to find out the time for your region. Continue after the jump to view photos from the amazing performance!