That is not enough to assuage Jean-Jacques and Diego, two friends who own a house nearby and divide their time between the Italian cultural jewel, France and Switzerland.
"It's an annoyance for the population, for neighbours. It's a Hollywood invasion that brings to the little streets of Florence a style that is really not in tune with the nature of Florentines," middle-aged Diego said.
Jean-Jacques agreed saying: "The adjective Pharaonic is for once appropriate in this case. It makes me sad when I think that there are one billion human beings who suffer from hunger".
But a pair of US students out for a run on a sunny spring afternoon were untroubled by thoughts of global poverty and said they were delighted with the impending arrivals.
"I think it's very cool," beamed Victoria, from Fort Lauderdale.
New Yorker Tiffany added: "I am not so excited about Kim and Kanye as much as their guests because it's Beyonce, Jay-Z. Really exciting people.
"That money will go towards Florence and that will benefit us in some way," she said.
A city press officer earlier said the celebration was a wedding that would be presided by a Protestant pastor.
But Agnoletti told AFP on Friday that "as far as the city is concerned, this is not a wedding since they are not registered".
"We don't know whether there will be a Protestant pastor or not and it's none of our business," he said.
The fortress was partially open to visitors on Friday but taking pictures inside the venue was temporarily banned as workers were seen making preparations for the party.
West, 36, and Kardashian, 33, were expected to fly to Florence from France on Saturday, where they will be joined by celebrity guests.
The pair on Friday lunched in a French chateau west of Paris owned by iconic designer Valentino and visited the famous Chateau of Versailles, France's best known palace.