Everything about this family is adorable.
This year, NPH and family went as Tweedledee, Tweedledum, the White Rabbit, and Alice in Wonderland.
NPH uploaded the pic to Instagram with the caption: "Our costumes for the Halloween carnival at the kids' preschool yesterday. But 10/31 will be frighteningly different..! @DavidBurtka came up with both themes/costumes. He's amazing."