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Happy 28th birthday, Katy Perry! In the years we’ve gotten to know her, we’ve grown to love the pop singer’s ability to use fashion and beauty to make fun statements, from her light-up dresses to candy-covered costumes. We saw her fashion fearlessness again last night, when Perry took the stage at President Obama’s campaign rally in Las Vegas in politically-themed look, wearing a black-and-white “ballot” dress with the Obama/Biden ticket checked off. Katy’s 28th year can only bring more eye-catching outfits, plus unique manicures, new hair colors and over-the-top performance ensembles. To celebrate her birthday, we’re giving away a sexy black Brian Lichtenberg dress Katy actually wore. Click below to enter for a chance to win. You can enter once a day through October 31st, so good luck!

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• See Katy’s Transformation
• Katy’s Election-Inspired Nails
• Katy Perry’s Stylist Tips