Juventus defender Mehdi Benatia scored a brace in a 4-0 defeat of AC Milan on Wednesday as the Bianconeri won a record fourth successive Italian Cup.
The Moroccan struck before and after a searing Douglas Costa drive to seal Juve's win between the 56th and the 64th.
Milan goalkeeper Gianluigi Donnarumma bore responsibility for his fumbling on the second and third goal and was helpless on Nikola Kalinic's own goal.
Juve are poised to win the Serie A title to complete a fourth straight double.
Milan missed the chance to qualify for the Europa League, but are well positioned to qualify from the domestic league.