"Brad's been doing extensive renovation and is using a specialist in chateau restoration. He has spent over 10 million pounds already. Now he's offering hefty bonuses to workers to complete it by summer," contactmusic.com quoted a source as saying.

"He's even trying to organise an aeroplane landing site in the grounds for guests to come in by private jet but that's proving rather tricky, what with permits and no-fly zones," said the source.

Pitt wants all the food and drink for the reception to be locally produced and has been very involved with the menu.

"Brad's been tasting and looking up French dishes for weeks. He wants the perfect menu and, of course, the perfect wine to accompany it. That is all going to be locally sourced, too," said the source.

Brad has asked Jolie's brother James Haven to officiate the ceremony as minister.