Mckenna Grace (born June 25, 2006) is an American child actress known for playing the role of Jasmine Bernstein in the series Crash & Bernstein and Faith Newman in The Young and the Restless. , she plays Penny Kirkman in the ABC television series Designated Survivor. McKenna is also in the hit TV Show Once Upon a Time as young Emma. She is set to appear in the upcoming film, How to Be a Latin Lover as Arden