12 Year Old Birthday Party Sleepover

Hi i need serious and i mean serious help! me and my friends always have sleepovers no matter what the ocasion. (mostly birthdays)Well i am inviting 7 people all my best friends, well i used to have a friend named jordan, but then we got in this big fight and now im not her friend. She wants to be mine, i really want to have the best sleepover in the world, but she wants to go but i said no. I want to make sure that when everyone goes back home then they will make sure she knows what she missed! i want to because what she done to me way! way!way! worse and i was so mad! now its time for pay back help me please!!!!!!!!!!!