Emmanuelle Grey Rossum, popularly known as Emmy Rossum (born September 12, 1986) is an American actress and singer of Jewish descent.

An only child, she still lives with her photographer mother in the New York City house where she was born. At age seven, she joined the Metropolitan Opera Children's Chorus, where she appeared in a number of productions, including Tchaikovsky's Queen of Spades and the acclaimed Franco Zeffirelli-directed Carmen. She has sung with performers as diverse as tenor Plácido Domingo and country singer Dolly Parton.