She’s changed her hair color, she’s changed her clothing, she’s even changed her religion—Madonna’s near-constant reinvention has helped the singer stay in the spotlight for 30 years. Whenever she’s got a new album or is embarking on a new tour, she’s got a new style. Today’s the Material Girl’s 54th birthday, and to celebrate the occasion we’ve tracked down her 54 most famous looks. There’s tied-up-in-a-black-PVC-suit bondage Madonna, red carpet movie star Madonna, Marilyn Monroe-channeling “Material Girl” Madonna, making out with Britney Spears onstage Madonna, and many, many more. Her style’s been good, bad, and highly questionable, but at least it’s never been boring.