The adorable name Prince George, Princess Charlotte and Prince Louis have for Duchess Camilla - and it isn't Grandma!

Prince George Princess Charlotte Prince Louis Duchess Camilla
(Image credit: Getty Images)

Prince George, Princess Charlotte and Prince Louis are said to have an utterly adorable name for their step grandmother Duchess Camilla.

Duchess Camilla has revealed that Prince George (opens in new tab)Princess Charlotte (opens in new tab) and Prince Louis don't call her 'grandma'.

Camilla, who is married to Prince Charles, has five grandchildren of her own, plus the Cambridge kids and also Prince Harry and Meghan Markle's son Archie (opens in new tab).

But it's understood she goes by a different name to the traditional grandma or granny - used by many youngsters.

Camilla Parker-Bowles

(Image credit: PA)

"My own grandchildren call me GaGa," Camilla told the Daily Mail shortly after Prince George's birth. "I don’t know if it’s because they think I am! It is funny but is still very sweet."

Camilla's son, Tom Parker Bowles, has two kids while his sister Laura Lopes has three.

Laura's daughter Eliza served as a bridesmaid at the Duke and Duchess of Cambridge's wedding.

Meanwhile Prince George is said to use a different name for his great-grandma, Her majesty the Queen.

The Duchess of  Cambridge spilled his alternative moniker for the sovereign in another ITV documentary, Our Queen at Ninety.

"He calls her ‘Gan-Gan,’” Kate said. Before revealing that the Queen totally dotes on her youngest family members. She always leaves a little gift or something in their room when we go and stay, and that just shows her love for the family.”

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And Camilla is just as doting - every June she hosts a massive party for both her grandchildren and the grandchildren of friends, according to the new biography The Duchess: Camilla Parker Bowles and the Love Affair That Rocked the Crown.

'In 2016 there were about 90 children tucking into sandwiches, cakes, and jellies and roaring around the garden at Clarence House, having tugs of war and watching spellbound as magicians did tricks and entertainers made them laugh,' royal author Penny Junor wrote.

Selina Maycock
Selina Maycock

Selina is a Senior Entertainment Writer with more than 14 years of experience in newspapers and magazines. She currently looks after all things Entertainment for Goodto.com, Woman&Home, and My Imperfect Life. Before joining Future Publishing, Selina graduated from the University of Sheffield in 2006 with a degree in Journalism. She is fully NCTJ and NCE qualified and has 100wpm shorthand. When she's not interviewing celebrities you can find her exploring new countryside walking routes, catching up with friends over good food, or making memories.