Just days after her new album, Queen of Me, comes out on Friday, Shania Twain will be a presenter at this Sunday's Grammys. First lady Jill Biden, Cardi B, James Corden, Billy Crystal, Viola Davis, Dwayne Johnson and Olivia Rodrigo are set to take the stage, as well. So far, Luke Combs is the only country artist confirmed to perform, though ...