Britney Spears: Pop Tart Goes GI Jane!

Wednesday night, a desperate Britney was photographed using an umbrella to hit a car outside the home where her ex, Kevin Federline, is reportedly staying. The photos reveal a furious Britney, dressed in white shorts and a hooded sweatshirt, repeatedly striking an SUV with an umbrella.

After reportedly spending 45 minutes outside his residence, Britney's mom picked her up and eventually brought her to the rehab facility.

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