15 Times Kate Middleton Put Her Foot Down With the Kids

WELLINGTON, NEW ZEALAND – APRIL 07: Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince George of Cambridge arrive at Wellington Airport on April 7, 2014 in Wellington, New Zealand. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by Hagen Hopkins/Getty Images)

Prince William, Prince George, Princess Charlotte Elizabeth Diana, and Catherine Duchess of Cambridge Photo (C) GETTY IMAGES

VICTORIA, BC – SEPTEMBER 24: Catherine, Duchess of Cambridge, Princess Charlotte and Prince George arrive at Victoria Airport ahead of their Royal Tour of Canada and Yukon on September 24, 2016 in Victoria, Canada. (Photo by Karwai Tang/WireImage)

ADELAIDE, AUSTRALIA – APRIL 23: Catherine, Duchess of Cambridge gestures after she used the DJ decks at the youth community centre, The Northern Sound System, in Elizabeth on April 23, 2014 in Adelaide, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by Morne de Klerk – Pool/Getty Images)

CALGARY, AB – JULY 07: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch traditional Calgary Stampede activities at the BMO Centre on July 7, 2011 in Calgary, Canada. (Photo by George Pimentel/WireImage)

VANCOUVER, BC – SEPTEMBER 25: Catherine, Duchess of Cambridge smiles as she visits the Canadian Coast Guard and Vancouver First Responders Event at Kitsilano Coastguard Station on September 25, 2016 in Vancouver, Canada. Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Prince George and Princess Charlotte are visiting Canada as part of an eight day visit to the country taking in areas such as Bella Bella, Whitehorse and Kelowna (Photo by Chris Jackson/Getty Images)

Prince Harry pictured with some of the Royal Family in 2013. Kate, Duchess of Cambridge, holds her son Prince George seated next to Queen Elizabeth II