Carly Rae Jepsen Trying To Prep Justin Bieber's 'Believe' Tour
Description:Carley Rae Jepsen bracing herself for the tour Justin Beiber's 'Believe' Tour, which starts in September. She doesn't know what to expect. The duo performed together in London and Mexico City.
One thing that she may not have to worry about is her reign on the Billboard chart. The singer's hit "Call Me Maybe" is on its 8th week at #1.(0:55)