Rachel Riley was welcomed back on to the 8 Out of 10 Cats does Countdown panel last night - but first host Jimmy Carr began discussing vagina facts. While dictionary corner’s Susie Dent began by revealing who named the G-spot. Rachel quickly chimed in by raising her hand and announcing: “I’ve got another good vagina fact!” After a spell of laughter from the panel, Rachel went on: “Apparently the G-spot isn’t actually a real thing - but the clitoris is 10cm long.” Related articles Rachel Riley: Countdown star in uproar over conspiracy theory Rachel Riley Countdown star on ‘completely mad’ present from boyfriend While Jimmy was a little stunned, Jon Richardson jumped in to joke: “Apparently it used to be called the clit-o-Chris, after a guy called Chris who found it!” Jimmy added to the rolling joke by saying: “I was actually in lower six with him - good bloke!” As the laughter died down Jimmy decided to continue his introduction of the team. Looking over at Rachel he said: “Okay and in charge of the numbers we have Rachel Riley.” But not not missing a chance to joke about her fact, he added: “Rachel’s clitoris is 10cm long.” This caused an uproar of laughter, leaving Rachel in hysterics. Rachel Riley: The Countdown host left Jimmy Carr a little shocked last night (Image: CHANNEL 4) He jovially added: “That might be a small penis, Rachel - we need to talk!” Fans found the entire situation hilarious as they spoke out on Twitter about the supposed revelation. One wrote: “When your clitoris becomes the hot topic of conversation… #CatsCountdown,” alongside a number of emojis. Another said: “Things you don’t expect to hear on #CatsCountdown even after all these years: ‘Rachel’s clitoris is 10 centimetres long’.” “And three @RachelRileyRR clitoris is apparently 10 centimetres long! Wonder what else we can learn?! #CatsCountdown.” a third added. Related articles Rachel Riley Twitter: Countdown star reveals life is ‘complete’ Rachel Riley: Countdown star hit with cheeky jibe Rachel Riley: Jimmy introduced the dictionary corner before the topic of vaginas arose (Image: CHANNEL 4) Rachel Riley: The star was then joked about after dropping her fact (Image: CHANNEL 4) Rachel recently spoke out on Countdown about what her least favourite conspiracy theory is. She admitted: “The worst one is that the world is flat. That’s back in fashion.” She continued: “A lot of Americans - certain politicians over there, are feeding the conspiracy theory stuff. “You don’t need facts anymore. And people are genuinely convinced that it’s some kind of conspiracy amongst governments.” 8 Out of 10 Cats does Countdown airs Friday at 9pm on Channel 4.All rights reserved for this news site express.co.uk and under his responsibility