During a trip to Northern Ireland in March 2019, Kate was caught calling her daughter “Lottie”. The same year, William called Charlotte “Mignonette”, meaning delicate or dainty.
In 2018, Kate also referred to Charlotte as Poppet during a shopping trip at a discount store for Christmas.
Meanwhile, Prince George is reportedly called PG at school. Prince William also revealed in 2018 that he calls him “Pops”.
Charlotte on the other hand, was caught calling the Prince of Wales “Papa” during the Coronation concert earlier this year.
