Few years ago when my company is having a costume party, I went to this costume shop located in Hartamas to rent my costume. The costume range there is huge and you can find almost any costume and accessories there, from Halloween costume to Ballroom costume, from Cabaret to Cowboy, you name it, and the rental is also quite reasonable, starting from RM45.00 up to RM150.00 per set. So now you know where to rent the costume if you needed one.