Jackie Siegel's 'Queen of Versailles' FL mansion destroyed by Hurricane Ian

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'The Queen of Versailles' star Jackie Siegel knows firsthand the enormous toll Hurricane Ian is taking: Parts of her Florida mega-mansion are being shredded and it will cost a lot of money to fix.

Jackie tells TMZ...the hurricane destroyed her 90,000 square foot Versailles mansion, which has notoriously been under construction in the Orlando area since 2004. She expects even more setbacks now , as Jackie says the storm did north of $10 million in damage.

She says she hoped the massive estate would be complete by May 2023, but now that date is a pipe dream...and she has an impossible job to do.

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Jackie tells us that the hurricane has done quite a bit of damage to the house: most construction has stalled, several floors of the house are flooded, parts of the ceilings have collapsed, and the roof is extensively damaged.

If you're wondering about that $10 million damage estimate...