Bell and Duhamel jump into a fountain on the Italian set of their movie, When in Rome. Plus: Andy Roddick, Beyoncé & Solange, Justin Timberlake and more

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EUROPEAN UNION

John Mayer goes incognito during a night out in Amsterdam on Sunday. Earlier, the singer performed at the Picnic in the Park festival in The Hague as part of his 10-day European tour.