Here's who will sing the national anthem before the big fight.
The national anthem singer for Saturday's massive Floyd Mayweather-Connor McGregor fight has been revealed.
Pop star Demi Lovato will be singing the Star Spangled Banner before the fight in Las Vegas.
Lovato has long been a fan of MMA.
Mayweather and McGregor should be in the ring at roughly midnight on Saturday, with PPV coverage starting at about 9 p.m. E.T.