Kellie Pickler is an American country singer. She was a standout contestant on American Idol in 2005. Pickler released the albums Kellie Pickler, Small Town Girl, and 100 Proof. Her most popular songs include Best Days of Your Life, Red High Heels, and Didn't You Know How Much I Loved You. Pickler has also appeared in the films Christmas at Graceland, The Mistletoe Secret, and Wedding at Graceland.