Where to get it for my company Dinner&dinner glamorous nitez? help please!!!!?

In july, my company will be having D&D and the theme is glamorous nitez whereby guys wearing tuxedo and girls wearing dress. i want to wear cross dress mean i want to wear mens clothes maybe a tuxedo or somethings. its only for a nitez and i dun want too expensive. is there anyshop that i can rent the clothes or buy it at cheap prices. I also need the name of the places. i have the shoes to wear but i dun have the clothes and i really want to cross dress. please help.... this is something that i want to remember and yes i want to enjoy the nite.. i believe u guys can help me so please... thanks to all!!