cosmetic	relating to the improvement of someone`s appearance
annual	happening once a year
attendee	someone who is present at an event or activity
convention	a large meeting of people from a particular profession or organization
costume	clothes that the actors wear in a pay or film
expand	if a business or service expands, or if you expand it, it grows by including more people and moving.
freebie	something that someone gives you that you do not have to pay for
location	the place or position where someone or something is, or where something happens
logistics	the practical arrangements that are necessary in order to organize something successfully
seminar	a meeting or class in which a small group of people discuss a subject
showcase	an event that emphasizes the good qualities of someone or something