Robert De Niro and Grace Hightower
Robert De Niro and former actress Grace Hightower have been together since 1987. The couple dated for 10 years before making it official in 1997. They hit a rough patch in 1999 when De Niro filed for divorce, but the couple never went through with the separation and actually renewed their vows in 2004. —XFINITY Entertainment Staff (AP Photo/Nardus Engelbrecht)
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