One Call Join Britney Spears’ Circus

Britney Spears has just announced on her official website an additional opening act for Circus when the tour returns to the U.S

Pop group One Call has just been added to the lineup of opening acts for The Circus Starring Britney Spears tour. One Call will join Ciara and Kristinia DeBarge in opening for Britney at the first nine shows of her upcoming North American tour.