The Best Collection of Bedroom Interior Design for Christmas Holidays. Their bedroom decoration is exciting and cheerful. This is the best collection of bedroom interior design for Christmas, with elegant decoration, furniture, lighting fixtures and other Christmas things. Enticing with their home-y feel, these designs can change the look of a room in an instant. The colors of the season are whipped with a few others to create an interesting blend and one can see the effects they create. However small or big your room, these accessories are sure to add a Christmas spark!