She is best known for her portrayal of Lucy Pevensie in The Chronicles of Narnia film series , for which she won the Phoenix Film Critics ' Society Award for Best Performance by a Youth Female in a Lead or Supporting Role in The Chronicles of Narnia : The Lion , The Witch and The Wardrobe in 2005 , at only ten years of age .
She is known for playing Lucy Pevensie in The Chronicles of Narnia movie series .