Cynthia Erivo stopped by Ariana Grande's 'eternal sunshine' tour in London and shared the stage for two songs. Afterward, she sent a message calling Ari her sweet sister and favorite person to sing with. She thanked Ari for the invite and said those tracks represent a massive part of their lives. It was for the love of the work and all the fans. Cynthia wrote that she missed this and they missed it too, noting she'll never forget the night like a handprint on her heart.