As the girls walk off stage, Oprah's next surprise is revealed: Grammy-winning superstar Beyoncé
! "Oprah Winfrey, because of you, women everywhere have graduated to a new level of understanding of what we are, of who we are and, most importantly, of who we can be," she says.
As the wall behind her parts, Beyoncé's new song, "Run the World (Girls)," begins playing as dancers clad in graduation caps and graduation gowns strut into position.
Watch Beyoncé and her dancers give a performance that has Oprah and thousands of fans dancing in the aisles