Nicky Hilton and David Katzenberg dated for four years. But the relationship came to an end in the summer of 2011.
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Hayley Roberts and David Hasselhoff party in Las Vegas. Cuteness.
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David Katzenberg Biography

Hayley Roberts and David Hasselhoff David Katzenberg is the son of Dreamworks founder Jeffrey Katzenberg. Current beau of Nicky Hilton? Maybe. Ex of Mary-Kate Olsen?... More »
Full Name
David Katzenberg