From Wikipedia, the free encyclopedia Darcy Rose Byrnes (born November 4, 1998) (Nicknamed "D'Rose") is an American actress. She is best known for her roles as Abby Carlton Newman on The Young and the Restless, Penny Scavo on Desperate Housewives, and Princess Amber on Sofia the First and Ikki on The Legend of Korra. She currently works as the voice of Maricela in Spirit Riding Free.