We get it–prom preparations are not cheap. After buying your dress, booking a limo and renting a house for the after party, sometimes coughing up even more cash to get your makeup done just doesn’t seem worth it.You may be thinking: “Why am I going to spend all this money just to have it on for a few hours?” Or maybe you’re nervous it’s going to end up looking like a disaster, and that’s okay! Just because it’s prom does not mean everything needs to be done by a professional. With the help of the Internet, anyone can learn pro techniques, which means more and more people are feeling comfortable doing their own makeup for special occasions–and prom is no exception!But if you’re not a professional, getting your makeup just right can seem quite overwhelming. There are so many things to take into consideration: the color of your dress, your skin type, the weather, what products to use, etc. But the greatest benefit is that you’ll be able to experiment with different products and colors and practice beforehand so everything goes smoothly on your big day. And lucky for you, we’ve rounded up a list of 15 essential tips that will have you doing your makeup like a pro in no time.