THE world’s most expensive wedding party — on a four-month global tour — is heading to Slough.

Over the next two months guests including Prince Harry and former PM Boris Johnson are expected to join the £563million celebrations.

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Anant Ambani, son of India’s richest man, and pharmaceutical heiress Radhika Merchant wed in Mumbai earlier this month.

And they have block-booked historic Stoke Park near Slough, Berks, until September.

The Grade II listed seven star hotel is owned by the groom’s dad Mukesh Ambani.

Around 850 golf club members have been warned to steer clear.

A source told The Sun: “The Ambanis don’t do things by halves and so thought nothing of booking the entire venue for two months.

“The cost is chicken feed to them. The bride and groom and family will attend different parties planned between now and September.

“Security, which is tightened, has been told to expect Boris Johnson and Tony and Cherie Blair. Prince Harry is also said to be hoping to pop in.”

The Ambanis hired 100 jets to fly guests from around the world for their three-day wedding in Mumbai. Every five-star hotel was also booked.

Guests included Kim and Khloe Kardashian, Mr Johnson and former PM Tony Blair and his wife Cherie.

Celebrations kicked off with a £126million pre-wedding party in March, at which Rihanna and Akon performed for 1,200 guests.

Then came a £94.5million cruise around the Med for 800 guests with performances from Katy Perry, Backstreet Boys and Pitbull.

Justin Bieber was the star turn at a traditional party earlier this month.

Stoke Park was bought by Mukesh Ambani — who is the ninth richest man in the world — for £57million in 2021.

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