© Getty Images

The Queen Mother's nickname for Queen Elizabeth II -

As a child, Queen Elizabeth II's mother and close relatives fondly referred to her as "Lilibet." Prince Harry has gained fame for naming his daughter Lilibet Diana Mountbatten-Windsor.

© Getty Images

Prince Philip's nickname for the Queen -

The late Duke of Edinburgh also referred to his wife as "Lilibet", and had his unique nickname for her, "cabbage."

© Getty Images

Kate Middleton's nickname for Prince William -

The Princess of Wales has been overheard calling her husband "babe." Royals–they're just like us!

© Getty Images

Prince William's nickname for Kate Middleton -

The Prince affectionately calls his wife by the endearing names "poppet" and "darling."

© Getty Images

Meghan Markle's nickname for Prince Harry -

The Duchess of Sussex referred to her husband as "Haz" during an interview with James Corden, a nickname that Prince Harry himself has confirmed.

© Getty Images

Meghan Markle's other nickname for Prince Harry -

"Haz" may be a brief nickname, however, Meghan Markle has an even briefer one for her husband: simply "H."

© Getty Images

Prince Harry's nickname for Meghan Markle -

The Sussexes prefer simplicity. What does Prince Harry call his wife? Meghan, naturally.

© Getty Images

King Charles and Queen Camilla's nicknames for each other -

In their younger years, the couple affectionately referred to each other as "Fred" and "Gladys," inspired by characters on BBC Radio's 'The Goon Show,' during their initial dating phase.

© Getty Images

Prince Harry's nickname for Archie -

Prince Harry affectionately refers to his son as "little man." 

© Getty Images

Prince William's nickname for Queen Elizabeth -

Prince William affectionately referred to his grandmother as "granny," just like many of us with our own.

© Getty Images

Prince William's nickname for Queen Elizabeth -

When he was a young child and hadn't learned to say "granny," he affectionately referred to his grandmother as "Gary" instead. 

© Getty Images

Princess Eugenie's nickname for Princess Beatrice -

Princess Eugenie celebrated her sister's birthday by sending well wishes on Instagram: "Happy Birthday to you Beabea."

© Getty Images

Princess Diana's nickname for Prince William -

Lady Di would call her two-year-old son "Wombat." "When we went to Australia with our parents, and the wombat, you know, that's the local animal. So I just basically got called that. Not because I look like a wombat, or maybe I do," said the Prince.

© Getty Images

Princess Charlotte's nickname for Prince William -

The young princess affectionately referred to her father as "Papa" and sweetly penned a Mother's Day card for "Granny Diana."

© Getty Images

Prince Harry's nickname for Kate Middleton -

According to reports, Prince Harry refers to his sister-in-law as "Cath." When questioned about it, the Princess neither confirmed nor denied it, stating that she isn't entirely familiar with the nickname but is willing to respond to most things.

© Getty Images

King Charles' nickname for Meghan Markle -

King Charles refers to the Duchess of Sussex as "Tungsten," a metal, supposedly due to her resilient character.

© Getty Images

Prince George's nickname for Queen Elizabeth -

Kate Middleton disclosed that at the age of two, Prince George affectionately referred to the Queen as "Gan-Gan."

© Getty Images

Prince George's nickname for King Charles -

What does Prince George refer to his grandfather as? Obviously, "Grandpa!" How cute is that?

© Getty Images

Prince George's nickname for Prince William -

Instead of calling his father "Dad," Prince George affectionately refers to him as "pops," which is equally adorable.

© Getty Images

Kate Middleton's nickname for Princess Charlotte -

The Princess of Wales refers to her daughter as "Lottie," a popular nickname given to individuals named Charlotte.

© Getty Images

Prince William's nickname for Princess Charlotte -

In a video of the Princess enjoying the Back to Nature Garden at the Chelsea Flower Show in 2019, Prince William appears to call his daughter "Mignonette."

© Getty Images

Meghan Markle's nickname for Archie -

Mommy Markle affectionately refers to her son, baby Archie, as "Arch" as a cute nickname.

© Getty Images

Meghan Markle's other nickname for Archie -

The Duchess of Sussex adores using nicknames. Apart from "Arch," she has also referred to her son as "Bubba."

© Getty Images

Mike Tindall's nickname for Zara Tindall -

The ex-rugby player uses a concise and straightforward nickname "Zed" to refer to his wife in private conversations.

© Getty Images

Prince George's classmates' nickname for him -

According to reports, students at Thomas's Battersea nicknamed the young prince "P.G."

© Getty Images

Everyone's nickname for Prince William -

It probably comes as no surprise that Prince William is often called "Will" by some people.

© Getty Images

Meghan Markle's nickname for Queen Elizabeth -

According to sources, the late Queen was affectionately called "Mama" by close family members. This information was reported by Cosmopolitan.

Fancy knowing more about British royalty? 

© Getty Images