Demi Lovato Tapped for National Anthem at Mayweather vs. McGregor
Demi Lovato has signed on to sing the national anthem at the Mayweather vs. McGregor fight on August 26 … Showtime has confirmed. Lovato is a HUUUUGE fight fan. She’s not only a regular at UFC fights, but also trains MMA at Jay Glazer’s gym in Los…