Hot Hair: Tress Twins, Part 4

When it comes to rocking a unique hairstyle, there's a kernel of truth in the saying, "there's nothing new under the sun!" Even superstars like Ciara and Kelly Rowland, who have access to the hottest glam squads on the planet, still manage to end up sporting the exact same hairstyle. Check out our gallery of A-listers sporting identical mane moments.