9 French Twist Hairstyles for All Hair Lengths | Whether you have short, medium length, or long hair that's straight, wavy, or curly, the French twist updo is a simple yet elegant way to style your hair. If you want to know how to do a French twist on your own hair, this post has lots of step by step hair tutorials to teach you. Perfect for a wedding, prom, work, or lazy weekend, we've curated a mix of classic and modern styles, including sleek looks and messy, loose styles.