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First, make sure that all of your hair is swept back. For this style, you do not want to have a part in your hair. Then, decide how much hair you want to leave down, and how much you want to put into the top knot. You can section off all the hair from your ears upwards, or just a little bit of hair on the top. Pick up that top layer, holding it in one hand. With your free hand, use a brush or come to tease the top section. This will make sure that it isn't slicked back to your head, but has some nice volume. You can also spritz a bit of texturizing spray into the top section to add a bit of texture. This style is meant to look effortless and messy, so volume and texture are key. Once you are satisfied with the amount of hair in your top section, tie it off with a hair tie. Some people skip this ponytail step and go straight into the topknot. If you're not a topknot pro, though, a ponytail is a helpful intermediate step. Make sure that the ponytail is held tightly to your scalp, because it will be a sturdy base for your If you have light hair, it's smart to use clear elastics. This will ensure that your hair ties don't show through, which will distract from the style.
Separate the top section of your hair. Add some volume to the top layer. Tie your top section into a ponytail.