Faith Hill [1] is a country music superstar, an actress, and wife to Tim McGraw [2], but above all else, she's a doting mother [3] to three beautiful daughters: Audrey, 15, Maggie, 19, and Gracie, 20. Faith often gives us a glimpse into her family life on Instagram, and we can't get over how grown-up her kids are [4]. I mean, let's face it, Faith could easily pass as their sister. Keep reading to see what we're talking about.