01of 14Queen Elizabeth, 1948Historia/REX/ShutterstockThe Queenwas still a princess when she was 6 months pregnant with her firstborn son (and heir!)Prince Charles.

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Queen Elizabeth, 1948

Historia/REX/Shutterstock

Historical Collection 170

The Queenwas still a princess when she was 6 months pregnant with her firstborn son (and heir!)Prince Charles.

02of 14Princess Diana, 1982BRYN COLTON/REX/ShutterstockAt 20 years old,Princess Dianawas pregnant with her first son and the future king of England,Prince William. She wore the same green polka-dot dress for her first post-birth appearance outside St. Mary’s Hospital.

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Princess Diana, 1982

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British Royals - 1980s

At 20 years old,Princess Dianawas pregnant with her first son and the future king of England,Prince William. She wore the same green polka-dot dress for her first post-birth appearance outside St. Mary’s Hospital.

03of 14Princess Diana, 1984Richard Young/REX/ShutterstockTwo years later Diana was pregnant again withPrince Harry.“Royal firstborns may get all the glory, but secondborns enjoy more freedom,” Diana said at the time. “Only when Harry is a lot older will he realize how lucky he is not to have been the eldest. My second child will never have quite the same sort of pressure that poor William must face all his life.”

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Princess Diana, 1984

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Polo match, Windsor, Britain - 1984

Two years later Diana was pregnant again withPrince Harry.

“Royal firstborns may get all the glory, but secondborns enjoy more freedom,” Diana said at the time. “Only when Harry is a lot older will he realize how lucky he is not to have been the eldest. My second child will never have quite the same sort of pressure that poor William must face all his life.”

04of 14Kate Middleton, 2013Tim Rooke/REX/ShutterstockKate Middletonfavored empire-waist dresses during her first pregnancy withPrince George(including this Jenny Packham design), accessorized with tailored coats and cardigans.

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Kate Middleton, 2013

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Service to commemorate the 60th Anniversary of the Coronation of Queen Elizabeth II, Westminster Abbey, London, Britain - 04 Jun 2013

Kate Middletonfavored empire-waist dresses during her first pregnancy withPrince George(including this Jenny Packham design), accessorized with tailored coats and cardigans.

05of 14Kate Middleton, 2015Beretta/Sims/REX/ShutterstockKate went for a bright pink look during her last official royal engagement before giving birth toPrincess Charlottein 2015.

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Kate Middleton, 2015

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Prince William and Catherine Duchess of Cambridge visit the Stephen Lawrence Centre, Deptford, London, Britain - 27 Mar 2015

Kate went for a bright pink look during her last official royal engagement before giving birth toPrincess Charlottein 2015.

06of 14Kate Middleton, 2018ANL/REX/ShutterstockJust a few weeks before she was due withPrince Louisin April 2018, Kate stepped out for an Easter church service outing.

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Kate Middleton, 2018

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Easter Sunday service, St George’s Chapel, Windsor Castle, UK - 01 Apr 2018

Just a few weeks before she was due withPrince Louisin April 2018, Kate stepped out for an Easter church service outing.

07of 14Princess Margaret, 1964George Freston/Fox Photos/GettyThe Queen’ssisterhadtwo children—here, she was pregnant with her daughter and second child,Lady Sarah Chatto.

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Princess Margaret, 1964

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Princess Margaret

The Queen’ssisterhadtwo children—here, she was pregnant with her daughter and second child,Lady Sarah Chatto.

08of 14Princess Anne, 1977Tim Graham/GettyThe only daughter of the Queen is seen pregnant with sonPeter Philips.

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Princess Anne, 1977

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Princess Anne First Pregnancy

The only daughter of the Queen is seen pregnant with sonPeter Philips.

09of 14Princess Anne, 1981Tim Graham/GettyAnne with her husband, Mark Phillips, just weeks before the arrival of daughterZara.

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Princess Anne, 1981

Anne Pregnant With Zara

Anne with her husband, Mark Phillips, just weeks before the arrival of daughterZara.

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Zara Tindall, 2013

Ladies Day At Goodwood Races

Princess Anne’sdaughterpregnant with her first child Mia, who is known for stealing the show at royal events!

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Zara Tindall, 2018

The Royal Family Attend Easter Service At St George’s Chapel, Windsor

Zarawelcomed another daughter, Lena, five years after her first and one year after shesuffered a miscarriagejust days before Christmas in December 2016.

12of 14Sarah Ferguson, Duchess of York, 1988David Levenson/GettyThe duchess, also known as Fergie, pregnant withPrincess Beatrice, who is 8th in line to the throne.

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Sarah Ferguson, Duchess of York, 1988

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Sarah, Duchess of York (pregnant with Princess Beatrice)

The duchess, also known as Fergie, pregnant withPrincess Beatrice, who is 8th in line to the throne.

13of 14Sarah Ferguson, 1990Tim Graham/GettyTwo years later Fergie was pregnant again withPrincess Eugenie, now 28, who recently celebrated herroyal wedding to Jack Brooksbank.

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Sarah Ferguson, 1990

Sarah Ferguson Pregnant

Two years later Fergie was pregnant again withPrincess Eugenie, now 28, who recently celebrated herroyal wedding to Jack Brooksbank.

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Meghan Markle, October 2018

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Prince Harry and Meghan Duchess of Sussex tour of Fiji - 23 Oct 2018

The latest expectant royal is the Duchess of Sussex, who announced her pregnancy at the start of her first royal tour with husbandPrince Harry.

source: people.com