For most people, eyeshadow is the hardest part of applying makeup. Nevertheless, it is important to learn it, especially if you intend to take your makeup game to the next level. Here is a video by Youtuber, Petite Sue Divinitii, demonstrates a beginner friendly way to get a neat job.
Note that as with most makeup routines, having the right tools and products is really important. So, make sure you get a good set of brushes and quality makeup products. Don’t worry if your first attempt does not turn out like Rihanna’s, you’ll get better with practice.