Super Bowl 2021, country star Eric Church and R&B diva Jazmine Sullivan will unite the nation — and music fans of different genres — by singing the national anthem.But who are the most super “Star-Spangled Banner” singers of all at the big game? Here, we rank the Top 10 to ever belt it out.The national anthem is perfect for a singer like Lovato, who has the pipes but sometimes lacks the personality as an artist.