Thank god for the gala scenes or else this would be super hard XD

Twilight: Alexander Hamilton
Starlight: Aaron Burr
Rainbow: Laurens
Pinkie: Lafayette
Celestia: Washington
Luna: Martha Washington (wait oh shit thats incest,  wait it's totally fine bc George and Martha never had kids so...XD jk )
Rarity: Angelica
Fluttershy: Eliza
Sweetie Belle: Peggy/Mulligan
Trixie: Theodosia Sr.
Enjoy~ :D