The tell-tale clue that Kate Middleton could announce she is pregnant soon

Royal experts have pointed out a tell-tale sign that means Kate Middleton may be about to announce her fourth pregnancy.

• Royal experts have pointed out some tell-tale clues that could mean Kate Middleton is set to announce her fourth pregnancy.
• The Duchess is already a doting mother to Prince George, Princess Charlotte and Prince Louis and did one key thing before announcing all three of her pregnancies.
• This royal news comes after Princess Charlotte's favourite toy was revealed - and it's so cute!

The Duchess of Cambridge gave birth to her youngest son, Prince Louis, back in 2018 and royal fans have been speculating about whether Prince William and Kate will bring a fourth tot into their brood.

Now, eagle-eyed royal pros have pointed out something very interesting that may be a big sign that Kate is expecting again.

One big clue that many think is a tell-tale sign that the Duchess is set to confirm her fourth pregnancy is the changes to her hair.

"Every time the Duchess of Cambridge changes her look, she announces that she is pregnant within a few days," said royal expert Aranzazu Santos López.

It seems that prior to announcing all three of her pregnancies, Kate has debuted a fresh trim or a new, bouncier look when it comes to her locks - most recently opting for the chop and going for a dark and short do when she was expecting Prince Louis.

Recently, Kate stepped out alongside Prince William for a royal engagement in South Wales, sporting a revamped hair look, with gorgeous blonde tones.

"Kate’s new shade is very much a lightened balayage base, with a dark blonde overlay. It’s actually very simple to achieve; the hair has balayage panels, lightened out around the front and throughout," colour expert Scott Cornwall told The Express.

"The balayage would have been achieved using a bleach or hair lightener.

“After this lightening, a tone-on-tone or demi permanent colourant is applied throughout, in a deep blonde base."

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Meanwhile, body language expert Judi James has hinted that Prince William and Kate's movements during their recent Wales trip could be an indicator that a fourth Cambridge tot is on the way.

During the iconic couple’s day out in Barry Island and Cardiff, the Duchess was seen placing her hand gently on her husband’s back.

“Their togetherness signals might suggest a new royal baby,” said Judi.

“The body language of Kate and William here suggests lock-down might have suited both their relationship as a couple and as a royal team as they appear more relaxed and in-tune than ever before.”