Demi Lovato to perform national anthem before Floyd Mayweather vs. Conor McGregor main event

The Floyd Mayweather vs. Conor McGregor show just added more star power to the festivities.
Pop music sensation Demi Lovato will perform the national anthem ahead of the main event of Mayweather-McGregor on Saturday at the T-Mobile Arena in Las Vegas, Nev.
This will be Lovato’s first time singing the anthem at a boxing match, though she is no stranger to combat sports events. The 25-year-old singer is a noted MMA fan and she’s been spotted attending UFC and Bellator shows. She’