You can use three points on your eyelids as reference the beginning, end of the eyelid and the point of expression of your eyebrow to make a perfect water line or the famous cat’s tail, it is what I recommend as a makeup artist and if you want to do the most beautiful buy some fake lashes, to decorate that beautiful outline, you’re welcome girls.
By the way, the idea with shadows is great. You can also try to apply more glitter to the skin of the face, this is a very cool thing. Well, to top off your makeup, you can use strip lashes that will definitely make your makeup unusual. In addition, these eyelashes will be very easy to remove later.