Shelby Wulfert (born November 9, 1993)[1] is an American actress, voice-over artist, TV personality, host, model, and singer who is a part of the Disney Channel original comedy series, Liv and Maddie. Shelby guest stars as "Maddie 2". She is one of two acting female doubles and scene partners used to help make show star Dove Cameron appear as twins with special effects used by the camera and editing crew. She also portrayed Heather in Linda and Heather-A-Rooney.