Rihanna’s hair evolution is unequivocally bold and experimental. To mark her birthday, Vogue Arabia reviews her many trailblazing looks. Whether she’s attending the Met Gala in a yellow, fur-trimmed cape, or casually strolling the streets of New York City, beauty’s favorite chameleon never fails to display an unprecedented lineup of ever-changing coiffures. With each sartorial statement, the Barbadian beauty presents us with an equally impressive mane to match. From the moment she emerged onto the music scene (sporting a gamine pixie), the singer has rocked virtually every boundary-breaking look imaginable, inspiring legions of females to call up their hairdressers. From waist-skimming dreadlocks to vibrant red lengths and chin-grazing bobs, Rihanna continues to prove that no hairstyle is too outlandish or simple for her. In honor of the “bad gal’s” birthday, we look back at her most style-defining hair moments.