Actor Robert De Niro, 75, splits with his wife Grace Hightower, 63, after more than 20 years of marriage

Hollywood actor and co-owner of the Nobu restaurant empire, Robert De Niro and his wife Grace Hightower of more than 20 years have split.

According to Page Six, the 75-year-old Casino star and his 63-year-old wife 'are no longer living together'.

The couple are expected to 'announce their breakup publicly in the coming weeks,' the publication reported.

De Niro and Grace share two children together, 20-year-old Elliot and six-year-old Helen.

This is couple's second split since they got married in 1997. Two years into their union, The actor filed for divorce, but it was never finalized. The couple settled their differences and renewed their marriage vows in 2004.