But he gets to keep their estate, the Corriere della Sera newspaper said. The paperwork was filed on Christmas Day at Milan’s tribunal.
Ms Lario announced she was divorcing the billionaire media mogul in 2009, citing his presence at the 18th birthday party of a Naples girl and his fondness for younger women.
The couple met in a dressing room in 1980 after Mr Berlusconi saw Ms Lario perform in a Milan theatre, were married in 1990 and have three grown children. He has two children from his first marriage.
At the moment. the 76-year-old Mr Berlusconi is dating a woman nearly 50 years his junior.