Reports Kate Middleton is pregnant with her fourth baby

Following the birth of Prince Harry and Meghan Markle's son Archie Harrison, it seems royal babies are on the brain!

Reports and rumours surround the royal family on a daily basis, but the internet has gone into absolute meltdown this week following speculation the Duke and Duchess of Cambridge have another royal baby on the way.

Yes, the royal couple - who are already parents to Prince George, five, Princess Charlotte, three, and Prince Louis, 12 months - are once again fighting off rumours Kate Middleton is currently pregnant with their fourth child.

According to multiple gossip tabloids, Kate and Prince William are not done having children yet, with sources claiming "a baby is on the way for the radiant royal couple."

Many royal watchers believe four kids is certainly a possibility for the Duke and Duchess since it's the same number of children his grandmother, Queen Elizabeth II, had.

"Prince William reportedly wants to follow Queen Elizabeth II’s footsteps by having four children," one of William’s friends revealed.

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While a friend of Kate's agreed, telling the Daily Mail: "Catherine would like another baby. She loves children and is prepared to put herself through another pregnancy even though they have been complicated in the past."

According to British-based betting company Ladbrokes, it's looking increasingly likely Wills and Kate "will welcome another family member in the near future," with the odds being slashed from 6/4 from 5/2 we could see Kate and William announce another royal baby is set to join the brood in 2019.

However, after the 37-year-old mum experienced Hyperemesis Gravidarum, which causes extreme morning sickness during her pregnancies she might be happy to stop at three.