Ava Acres
Ava Acres (born May 12, 2004) is an American actress. She played young Regina in "Once Upon a Time" and also appears in "Agents of S.H.I.E.L.D." as Katya Belyakov, the main antagonist of the episode "Melinda". In addition, she has played Madeline in season 5 of the television series "American Horror Story", and young Rebecca in the comedy series "Crazy Ex-Girlfriend". Acres' older sister, Isabella, is also an actress.