What number album of Taylor Swift did Colbie Marie Caillat win a Grammy for?
Colbie Caillat: Colbie Marie Caillat ( ; born May 28, 1985) is an American singer, songwriter, guitarist and pianist from Thousand Oaks, California. Colbie Caillat:  She was also part of the group that won Album of the Year at the 2010 Grammy Awards for her background vocals and writing on Taylor Swift's "Fearless" album. Fearless (Taylor Swift album): Fearless is the second studio album by the American singer-songwriter Taylor Swift.
second