When you think about Miley Cyrus, what comes to mind? If it's miles and piles of uber-long wavy hair, that's not a good thing. A good signature style is owned by the wearer, not the other way around.
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Anna Wintour
Anna Wintour, editor in chief of Vogue magazine, and reportedly the inspiration for "The Devil Wears Prada" is busy. She needs a style that always looks right without a lot of maintenance. By tweaking the proportions of her blunt bob cut, she's created her own signature style.
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Jenny McCarthy
Once upon a time, Jenny McCarthy looked like every other sex kitten in Hollywood. Her angled medium-length blunt cut adopted in recent years sets her apart from all the other Tinseltown bottle blondes, and it provides her with plenty of versatility.
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Lisa Rinna
This short shag is undeniably owned by Lisa Rinna. While her hairstyle is a great low-maintenance sexy look, she should bring the rest of her look more into alignment with her carefree coif.
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Jennifer Aniston
Jennifer Aniston outgrew (or grew out, as it were) "The Rachel" and established her California-girl highlighted locks as her signature look. We'd love to see her experiment with her makeup colors once in a while, just to bring a little variety to her very successful style.
Establishing a signature style can be a great way to make a statement, as many celebrities know. But it can also turn into a rut. Look to these best and worst examples for clues on how long you should stick with your signature style and if it's really right for you.