We don't want to be killjoys over here, but what was up with Katy Perry ranking her ex-lovers on Sunday?

And not to be that guy, but wouldn't we be shouting 'sexism' from the rooftops if it was the other way around? If a man was ranking his ex girlfriends by their performance in the bedroom for the world to see, hear, and dissect? There's a double standard at play here and we're calling BS.

We're certainly not prudes, we get sent way too many Crescendo vibrators for that, but isn't ranking sex just a bit, well, thanks-but-no-thanks?

In a Big Brother-style setup, Katy Perry has been promoting her new album Witness, which has such hits a 'Swish, Swish' and 'Chained To The Rhythm', on Witness World Wide - a four-day YouTube live stream.

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In case you've got better things to do than sit and watch Perry's every move for 24 hours, the singer did things like live-stream a therapy session, had a cooking lesson with Gordon Ramsey and invited James Corden on for a game of 'Spill Her Guts'.

The game, which Corden plays on his late show in the US, sees the stars asking each other pre-written questions which they can answer or forfeit by eating something disgusting.

The game begun with Perry asking Corden who the most boring guest on his show, which saw him eating a massive tongue.

Then he asked her what city she likes performing in least, so she drank soy sauce and mayo.

Corden then answered the next question, which was that he had never sent a dick pic, and then she answered the next question asking her to rank her lovers: Orlando Bloom, John Mayer and Diplo.

She initially refused, then eventually answered the question.

(After claiming that 'The One That Got Away' was actually about Josh Groban...huh?)

Firstly, why did James Corden think it was ok to ask who was a better lover? Sure, the point of the game is to ask celebrities questions they would never in their wildest dreams answer in any other interview (Corden somehow manages to get away with it), but there are three other people involved here who don't get to have their say.

Imagine if your moves in the bedroom were rated in front of millions of people. You'd be mortified. Orlando Bloom et al might be very, very famous, but that doesn't necessarily mean they want this information in the public domain.

The game continues, but to be honest, we had a pretty sour taste in our mouths after that.

Perry, you make absolute bangers, but you don't need to stoop to answering these kinds of questions.

Talk about sex, sure, but in the name of hitting the headlines whilst on a album promotion tour? Not so sure.

And whilst we're at it Corden, less of the sex-rating questions please, we can't stomach it.

Although, fair play to Perry - she did claw it back towards the end. She added that, despite her ranking, all her exes were great lovers.

'They're all amazing lovers and I would have sex with all of them when I get out of this place!' she said.

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Daisy Murray
Digital Fashion Editor

Daisy Murray is the Digital Fashion Editor at ELLE UK, spotlighting emerging designers, sustainable shopping, and celebrity style. Since joining in 2016 as an editorial intern, Daisy has run the gamut of fashion journalism - interviewing Molly Goddard backstage at London Fashion Week, investigating the power of androgynous dressing and celebrating the joys of vintage shopping.