Happy Birthday, Rihanna! Her Top 10 Most Memorable Looks

Rihanna has created a style presence prominent enough to match her chart-topping music. The singer's adventurous choices make her one of fashion's favorite red-carpet risk takers, and now she can add designer to her list of credits as she just presented her first collection for British high-street brand, River Island during London Fashion Week. The 25-year-old's stunning looks on and offstage prove she will never again have to ask, "What's My Name?"

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