The gowns are usually the stars of special events but there is no reason the guys can’t look as good. Not all special events are black tie though, so most guys don’t need to have a tux in their closet. When you need to rent a tuxedo read through these links to get started in finding the right one.
Here is an excellent site called “So You Wanna” with info and tips to start the process of renting your Tux.
Another more specific and helpful guide from Buy 4 Less Tuxedos:
How to tie a Bow-tie: