Fallon married Joe Don Rooney of the country singing group Rascal Flatts on April 23, 2006, and she lives in Brentwood, Tennessee. On May 31, 2008, Fallon gave birth to their first child, son Jagger Donovan Rooney. On September 7, 2010 their daughter, Raquel Blue, was born. On September 29, 2014, their third child, daughter Devon Olivia was born.