Congratulations are in order for Tim McGraw and Faith Hill’s family. The couple’s middle daughter, Maggie, 28, got engaged to James Rubin over the summer. Maggie’s older sister, Gracie, 29, shared the happy news on Instagram earlier this week, revealing that she and her younger sister, Audrey, 24, played a small part in the proposal. “@jamesrubin170 proposed to our sister @maggiemaymcgraw in the greatest, most Maggie way possible, filled with flowers and family,” Gracie wrote alongside a photo of a beaming Maggie showing off her engagement ring. “It’s an honor to have been a small part of the process of getting things set up and perfect…
