Surprise glee sleepover!!!!!

Heey everyone. I have set myself a personal challenge. I need YOUR help and ideas. My friend is moving back to romania soon. I want to surprize her with a Glee Sleepover. It has to be hush hush so she cannot see this blog. which means my blog and everything is secret. She moves on July 8th so i do not have much time to organise it. I am having 2 friends including her. All i need now is game ideas, party ideas, invitation ideas, and decoration ideas. This is where you come in. I want all your ideas so help me please guys!!!