Princess Kate's old school friend will offer sex parties on the high seas as her orgy firm Killing Kittens launches its first-ever cruise

An old school friend of the Princess of Wales is to start offering sex parties on the ocean after her firm Killing Kittens launched its first-ever cruise.

Emma Sayle, 46, who attended the prestigious Downe House School in Berkshire alongside Kate Middleton, as she was then known, founded the London-based sex firm to allow women to 'feel in control' and able to 'explore their sexuality'.

For the past two decades it has made its name for hosting luxurious sex parties in grand houses and Mayfair clubs, often requiring black tie dress for the events, which are complete with oyster and champagne receptions.

Sayle's firm, which was valued at £11.5 million in 2020, organises the parties with strict ground rules: a vetted guest list, no single men — only single women or couples — and a ban on men approaching women they don't know (women do the propositioning, instead).

The seven-day cruise, leaving in June 2026, is expected to work in a similar fashion.

Emma Sayle (right), 46, who attended the prestigious Downe House School in Berkshire alongside Kate Middleton (left), as she was then known, founded the London-based sex firm to allow women to 'feel in control' and able to 'explore their sexuality'

Sayle's firm Killing Kittens was designed to offer women a safe space to explore their sexuality

After setting off from Barcelona, it will visit five 'dreamy destinations' and guests can expect 'seven nights of pleasure'.

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Sayle is adamant her cruise will be a long way from existing so-called 'lifestyle cruises', instead focussing on 'top-end luxury' for its 640 'kittens', alongside their partners or guests.

Her parties typically attract women in their early to mid-thirties, although she acknowledges the age range may be slightly higher on the cruise, due to the cost of the experience.

While interior cabins without a window will cost from £3,999, entire suites can be snapped up from £10,499.

Speaking to the Times, Sayle said: 'We picked a cruise line that had done adult parties and lifestyle cruises previously.

'We've been working on it for two years and part of that was finding a company that has experience so it's not a shock and 'oh no we can't do that' as well as being top-end luxury.'

As well as visiting Monaco, Portofino, Florence and Palma in Majorca, the cruise will offer all the usual amenities - as well as activities more tailored to the experience, such as tantric massage workshops.

Killing Kittens is launching its first cruise, which will set sail from Barcelona in June 2026

Sayle previously told MailOnline that she is aiming to combat 'British queasiness' around sex - especially where women's sexuality is confirmed

'We'll combine it with the education side,' Sayle said. 'There'll be workshops on everything from tantric massage to confidence, how to communicate and handling jealousy. The aim is to have a mix: a holiday cruise, parties and adult education.'

Her firm is booming thanks to the UK's increasingly liberal attitude towards sex and sexuality, helped along by the pandemic.

Since in-person events resumed, Killing Kittens has seen a 400 percent rise in attendance, with some evenings attracting up to 900 people.

Sayle previously told MailOnline that she is aiming to combat 'British queasiness' around sex - especially where women's sexuality is confirmed.

She said: 'Our sexuality drives us all far more than religion and politics, but thanks to the way the world has been run for years it's been squashed and put in the seedy, dirty camp that you can't talk about, particularly when it comes to women's sexuality.'

Much of the company's growth in recent years can be put down to Sayle's savvy digital mind.

Her Killing Kittens social media platform, which is a cross between Facebook and a dating app, has at least 180,000 members.