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View the latest pictures, photos and images of Ariel Winter - Ariel Winter is an American child actress. She is best-known for portraying "Ellie Layton" in the 2008 film, One Missed Call, and for the character of "Alex Dunphy" on Modern Family. Winter also had a recurring role in the TV series, ER as "Lucy Moore", the daughter of Hedy Burress's character, "Joanie". She also voices "Gretchen" in Phineas and Ferb the Movie: Across the 2nd Dimension... See full bio