COPS swooped on an OnlyFans model on the King’s front lawn at Windsor Castle.
Thong-wearing Isabelle Berry, 33, said: “A lot of tourists were taking photos.”
Onlookers watched agog as Isabelle stripped down to a thong bikini and posed for saucy snaps outside the castle.
Tourists grabbed their cameras while drinkers in a Wetherspoons pub opposite rushed out for an eyeful.
But not everyone in the posh Berkshire town was so appreciative.
Resident Jane Rackham, 46, said: “This is a royal town, not Magaluf. We can’t have people cavorting like that in front of the castle.”
And another local added: “In medieval times she’d have been locked up in that tower for the way she was behaving.”
OnlyFans model Isabelle — who has 34DD enhanced boobs and a Brazilian bum lift — flaunted her figure while a friend took pictures for her site.
She drove from her Windsor home at lunchtime, whipped off her tracksuit bottoms and hoodie in her parked car and then ran in her Prada two-piece towards the 900-year-old Curfew Tower.
She also struck poses on benches in the shadow of the 13ft-thick walls.
King Charles and Queen Camilla were not believed to have been home, but last night Isabelle said: “I’m sorry if I’ve upset the King.
“But if my fans want it I’ll do it — and I’ll bet Prince Andrew wouldn’t have been complaining.”
She went on: “I know you aren’t supposed to but it’s just fun. I do things like this all the time.
“My friend taking the photos was very embarrassed. But I don’t really get embarrassed.
“I love the Royal Family. The castle is beautiful. I don’t think the King and Queen would be best pleased I did it.
“I think if they looked out the window and saw me they would be shocked.
“But I didn’t hurt any one. Tourists and passers-by got their phones out and some guys were going back into Wetherspoons to get their mates to have a look.
“I think it made people laugh. We were careful to wait until there were no children.
“I like to do things outside the box. There are only so many lingerie photos you can take.
“I asked myself where’s fun and naughty to do this because you aren’t allowed? And I thought it must be Windsor Castle. It was for the risk factor.”
Sure enough, the photoshoot was brought to a swift halt when police raced to the scene.
Isabelle said: “They gave me a telling off. They said I wasn’t allowed on the grass and I had to cover up otherwise they could arrest me, maybe for indecent exposure because it was a thong.
“They were very serious at the beginning and said, ‘Don’t do anything silly like this again because you could get arrested’. But at the end of it they were laughing.
“They said it wasn’t appropriate and so I got dressed as I didn’t want to be arrested and then I drove off.”
Windsor Castle — which attracts 1.5 million visitors a year — is also an official home for the King and Queen Camilla.
But they were thought to be in Norfolk at the time.
Last month, Charles hosted United States President Joe Biden at Windsor Castle.
Harry and Meghan had their 2018 wedding at St George’s Chapel — just behind the walls where Isabelle posed.
And in 2020 Queen Elizabeth and the Duke of Edinburgh posed in the castle quadrangle, left, ahead of his 99th birthday.
A spokesman for the King and Queen declined to comment.
WINDSOR TUSSLE
A RANDY couple once hit the headlines for romping naked on the grass bank outside Windsor Castle — 100ft from where Isabelle was snapped.
The Sun told how Irish Guards, whose barracks overlook the lawn, opened their windows to cheer on the pair near the Garter Tower in 2009.
But the couple, in their 30s, were arrested by armed officers from the Royal Protection Squad. They were kept in cells overnight before being cautioned for outraging public decency.