Krystal Marie Harris (born November 7, 1981 in Anderson, Indiana) is a pianist and singer-songwriter. Krystal has been singing since she was just 18 months old, and playing piano since she was 3 years of age. She also plays the drums, the guitar, the bass, and the flute. She got her first big break performing the title song Supergirl on The Princess Diaries Soundtrack. She was also known for touring with The Backstreet Boys.