Kate Middleton and Prince William already have three gorgeous children, Prince George, five, Princess Charlotte, three, and Prince Louis, almost a year old. There has been some speculation that the Duchess of Cambridge is expecting yet again. Her sister-in-law Meghan Markle, 37, is set to give birth any day now. Has she inspired Kate to have another child? Related articles Kate Middleton wears grey coat dress for rare duo outing with Queen Prince Louis news: When will royal be seen next? Why it may be soon Kate Middleton pregnant news: Duchess and Queen take trip after flurry on bets on fourth baby Coral Bookmakers has announced that a ‘flurry of bets’ have been placed on Kate Middleton announcing a pregnancy. Coral has taken a flurry of bets on Kate Middleton and Prince William announcing they are expecting a fourth baby. It is now odds-on at 1-4 in the betting for another baby Windsor. The bookmaker said: “We are being knocked over with bets on Kate Middleton announcing she is expecting her fourth child which is now long odds-on in the betting on the back of this gamble.” However, it seems unlikely that Kate is pregnant, as she was out with the Queen just yesterday. Kate Middleton pregnant news: Duchess and Queen take trip after flurry on bets on fourth baby (Image: GETTY) Kate Middleton pregnant news: Now bookmakers are adjusting their odds (Image: GETTY) The Duchess of Cambridge suffers with severe morning sickness, and so often stays out of the public eyes during the early stages of pregnancy. Kate Middleton and the Queen made a joint engagement yesterday. Kate sported a grey coat dress which is by Catherine Walker - a favourite of the duchess. The Queen and Kate were at King’s College London. An expert recently gave her view on whether Kate is currently expecting a baby, suggesting the rumours are untrue. Related articles William and Kate avoid looking like Charles and Diana in public ‘Strong individuals' Harry and Meghan are ‘unlike’ Kate and William Kate Middleton pregnant news: Speculation that the Duchess of Cambridge is expecting yet again (Image: GETTY) Kate Middleton Duchess of Cambridge picturesMon, July 16, 2018 Kate Middleton, the Duchess of Cambridge in pictures. 1 of 100 Kate Middleton pregnancy rumours were reignited when she told a member of the public she was feeling “broody”. Meeting an adorable baby on a walkabout, she said: “He's gorgeous. It makes me feel broody. "You're a very sweet little boy." The exchanged prompted the man to ask if Prince William’s wife was trying for another. He asked: "Baby number four?" "I think William would be a little worried,” Kate retorted, before walking away.All rights reserved for this news site express.co.uk and under his responsibility