"Bottle it Up" has a whole new meaning for Sam Hunt nowadays. While performing onstage during his concert held in Nashville on June 7, the 37-year-old country star announced the happy news that he and his wife Hannah Lee Fowler recently welcomed a baby girl. "I recently had a baby girl named Lucy Lu," the "Bottle it Up" singer shared with the crowd, which was met with applause, as seen on social media. "I think being out here, and in the music business and being out on the road, has sort of hardened my heart. My heart's definitely a lot harder in a lotta ways since I left that small town. It's amazing how that little girl melted that all away overnight a...