The star, who is set to wed the human rights lawyer in Italy this month, has been “helping to plan everything”, according to an E! News source.
The source said “everyone has been so impressed with how involved he is with everything” leading up to his special day.
“He really is a fantastic man, and it’s very obvious from his actions how much he loves Amal.”
Other actors including, Matt Damon and John Krasinski are expected to attend the lavish celebration.
