Topic: My son's 3rd birthday is coming up.?
I personally would. Most kids (and adults) LOVE dressing up and will do it as often as they can.
My daughter's birthday is closer to Halloween (28th) and we're planning to make it a tradition to make her parties some kind of costumed theme.
This year, we're going with Batman... all of us (including the dog) will be dressed up as some kind of Batman hero or villain. She's a little young still (22 months) so this year her big bro picked the theme (he needs some love too!) ...