Here are Sergio Ramos' some popular hairstyles: The Undercut: This style involves keeping the hair short on the back and sides while leaving longer hair on top. It allows for various styling options like sweeping it back, creating a quiff, or spiking it up. The Caesar Cut: Featuring a short haircut all around with a straight fringe across the forehead. The Man Bun: This longer hairstyle involves tying the hair up into a bun at the back of the head. The Fade: Characterized by a gradual decrease in hair length from the top of the head downwards.