Lovely 16++ Dia De Los Muertos Poster Ideas. Sugar skull makeup sugar skulls art magique up costumes costume ideas mexican holiday dead makeup halloween party dia de los muertos. Día de los muertos (also known as día de muertos) is a mexican holiday. Dia de los muertos —the day of the dead—is a holiday celebrated on november 1. On my tumblr a sketch that went too far color wise, but still a sketch non the less.