Faith Hill and Tim McGraw had some big news to share with their fans this week - and it's all to do with their youngest daughter, Audrey.The 19-year-old, a gifted singer in her own right, seems to be following in her parents' footsteps with her latest venture, and Tim and Faith couldn't be prouder.MORE: Faith Hill and Tim McGraw are couple goals in very intimate new photo WATCH: Faith Hill shares throwback of daughter Audrey singing in celebration of her 18th birthdayThe couple shared the same