Just You follow the tutorial step by step and get gorgeous Grey sparkly Eyeliner.
Only 2 things you need is Sparkly grey eyeliner and black one.
Put some foundation all over your eyelid.
Next step is to apply the black eyeliner such as shown in the 1st and 2nd picture. After that fill it in.
Then apply the grey glitter eyeliner starting from the inner corner of your eye such as in the pictures below.
As you can see this tutorial is really simple and easy to do.