It's hard to pay attention to two things at once! Guess which tennis star was spotted playing on her pretty pink phone at the Burberry Prorsum Spring/Summer 2011 Fashion Show during London Fashion Week?

Source: Getty
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Can you tell who it is?
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Venus Williams
Serena Williams
Who Left the Gym Looking Really Sweaty?
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Guess Who Left the Gym Looking Really Hot and Sweaty?