Yorkies - Grooming them?

I have this beautiful pair of Yorkies. I intend to take my Yorkies to a dog show that is going to be held very soon. It is a small neighbourhood event but i want my Yorkies to look their best. Please tell me how should i deal with the grooming of my Yorkies. I am completely new to all this, this is the first time i have become a pet owner. How should i groom them on a daily basis and for the dog show? Help Me.