David Letterman 's butchered November 21 carols on David Letterman 's show . Jennifer Lawrence says she has a `` tone-deaf CNN voice '' We 'll find out how she sounds when `` Mockingjay -- Part I '' opens November 21 , but we can already bet it 'll be better than her take on Christmas carols . She proved it by singing `` Hunger Games ''
David Letterman 's butchered November 21 carols on David Letterman 's show . Jennifer Lawrence says she has a `` tone-deaf CNN voice '' She proved it by singing `` Hunger Games ''