Sofia Vassilieva was born on October 22, 1992 in Minneapolis, Minnesota to Larissa and Vladimir Vassilieva. Her parents were Russian immigrants.
Sofia's best known for her role as Ariel Dubois in the hit NBC series, Medium.
At such a young age, Sofia has already started making her mark as an actress in Hollywood. She beat out child superstar Dakota Fanning to star as Eloise in the 2003 television movie, Eloise at the Plaza and Eloise at Christmastime; opposite Julie Andrews.
Other than starring in Medium, Sofia's television credits include The Brady Bunch in the White House and The Agency.
Vassilieva currently resides in Los Angeles with her parents.