Adults know all too well that the holiday season isn't quite as fun once you're all grown up - but Mickey Guyton has rediscovered the joy since becoming a mom. "I have a 4-year-old son now, and Christmas has now started becoming magical for me again," the country star, 42, exclusively told Us Weekly. "The older you get, it's just a holiday you get to spend with your family, and traveling sucks, and it's so hard. But now that my son is 4, the holiday season means so much more now.