@bbc: A sign of roles to come? Ariana Grande has shown off her accent skills after being asked for her best English accent. The singer and actress braved the rain with co-star Cynthia Erivo for the European premiere of Wicked in London. Ariana said Cynthia, who is from South London, had helped her improve her British accent while filming. @bbcnews #ArianaGrande #Wicked #Accent