Get some holographic foil.

Start your manicure as you usually would, with a base coat and your favorite color. You can use any color you want.

Cut your foil down to nail-sized pieces using a pair of manicure scissors. They don't have to be perfect, but try to get them as close to the right size as possible.

Paint on a thin layer of foil adhesive. It might be a good idea to do just one nail for now, otherwise the adhesive may dry out before you can get to it.

Wait 30 to 60 seconds for the adhesive to get tacky. If you are using top coat, it might take much longer than that—about 10 to 15 minutes.

Press the foil into your nails, foil-side-up. If you are using holographic cellophane, check to see if it is the same on both sides.

If it isn't, then make sure that you are pressing it holographic-side-up into the adhesive or top coat.

Next, position the base of the foil piece against the base of your nail, then press it down. Any excess foil should be hanging over the tip of your nail.

Gently smooth the foil down with an orange wood stick. This will help adhere it to your nail, as well as smooth out any wrinkles or air bubbles. Avoid applying too much pressure, or it may rip.

Clean it up. If you are using foil, it is thin enough so that you can tear off any excess or overhang. If you are using cellophane, use a pair of nail clippers to trim off any excess from the tip of your nail.

Finish off with a top coat. If you can, try to use a top coat designed specifically for nail art.