Mark Zuckerberg and Priscilla Chan
Facebook founder Mark Zuckerberg and his longtime love, Priscilla Chan, surprised friends and family with a secret wedding in May of 2012. Guests, who thought they were attending a graduation party at Zuckerberg's Palo Alto home, were shocked when Chan walked out in a wedding gown. —XFINITY Entertainment Staff (Photo by Justin Sullivan/Getty Images)
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