costumed – adj. wearing clothes to try to look like a different person
club – n. a group of people who meet to participate in an activity (such as a sport or hobby)
pose – n. the position in which someone stands, sits, lies down, etc., especially as a model for a photograph, painting, etc.
streetcar – n. a vehicle that travels on streets on metal tracks and that is used for carrying passengers
cake – n. a sweet baked food made from a mixture of flour, sugar, and other ingredients, such as eggs and butter
decorate – v. to make (something) more attractive usually by putting something on it