Ariana Grande stepped up for her costar Cynthia Erivo on the red carpet Monday night at the “Wicked: For Good” premiere in New York City. Ahead of the event, organizers reportedly told members of the press that the two stars would not be doing interviews because Erivo had lost her voice. They did, however, manage to stop by the official E! livestream , where the pair popped in for a brief chat with host Justin Sylvester. Only Grande was handed a microphone to respond to his questions, noting at