(Born Apr. 04, 1996) Abigail Breslin is an American child actress. Since 2002, she has performed in films such as Signs, Raising Helen, The Princess Diaries 2: Royal Engagement, Keane, Chestnut: Hero of Central Park, and The Family Plan. She has appeared on The Tonight Show with Jay Leno four times. Abigail Breslin is the real life younger sister of child actor Spencer Breslin.