Sofia Vassilieva

American child actress Sofia Vladimirovna Vassilieva was born October 22, 1992 in Minneapolis, Missesota. Began her career in show business as a child model, appeared on an episode of the CBS series The Agency. In 2005, the then 13 year old was cast as Ariel, the daughter of Patritia Arquette's character on the supernatural drama Medium. She recently took on the role of a girl suffering from lukemia in the 2009 drama My Sister's Keeper.