Darcy Rose Byrnes (born November 4, 1998) (Nicknamed "D'Rose") is an American and Irish actress. She is best known for her roles as Abby Carlton Newman on The Young and the Restless, Penny Scavo on Desperate Housewives, Princess Amber on Sofia the First, Ikki on The Legend of Korra and Maricela in Spirit Riding Free and she can currently be seen as Harper on Big Shot.Description above from the Wikipedia article Darcy Rose Byrnes, licensed under CC-BY-SA, full list of contributors on Wikipedia.