Taylor Swift Performs ‘Family Affair’ with Mary J. Blige at L.A. ‘1989’ Show, Duets with Uzo Aduba on ‘White Horse’ [Photos + Videos]

Taylor Swift fans were in for a treat on Saturday when the 25-year-old brought out Mary J. Blige and Uzo Aduba for surprise performances during her 1989 tour stop in Los Angeles.

Taylor and Mary performed Mary’s hit songs Family Affair and Doubt, while Taylor and Uzo performed a duet of Taylor’s Fearless album track White Horse.

Taylor, Mary and Uzo all expressed their excitement on Twitter following the historic show.

Watch Mary and Uzo hit the stage to perform with Taylor below.

Oh, and Taylor also brought out Chris Rock, Matt LeBlanc and Sean O’Pry during her performance of Style.