Lost 20 lbs.! After indulging in her self-confessed love of deep-fried food and "sympathy eating" with a pregnant pal, the 5 ft., 3 in. country star got back into tip-top shape by cutting out junk food and nixing late-night snacks. But the 25-year-old newlywed still lets herself indulge once in a while. "A little cheese," she confides. "It's a weakness."