Christina Judith Perri (born August 19, 1986) is an American singer, musician and songwriter. She is from Philadelphia, Pennsylvania. Her song "Jar of Hearts" became a hit in the United States. It has been used on the FOX network programs "So You Think You Can Dance" and "Glee" and the ABC Family series "Switched at Birth". Another of her songs, "A Thousand Years", was used in the movie "Twilight: Breaking Dawn".