Kate and charlotte

Photos for: Kate Middleton holds Princess Charlotte, 2, in her arms while Prince William walks hand in hand with Prince George, 3, after arriving for their tour of Poland on…

The two are especially close.

Kate Middleton and her kids bake cupcakes for Jubilee street party in adorable photos - OK! Magazine

From Prince Harry and Meghan Markle's ceremony to Pippa Middleton's big day

After a successful eight-day tour, with a smile and a wave the Duke and Duchess of Cambridge today bade farewell to Canada alongside their children, Prince George and Princess Charlotte.

Stephen Lock's pictures of the Duchess of Cambridge and her children Prince George and Princess Charlotte at the Christmas Day church service in Sandringham #RoyalFamily #Royals #PrincessCharlotte #PrinceGeorge #Kate #DuchessofCambridge #ChristmasDay #Sandringham

The role of the Cambridges - Kate, William, George and Charlotte - has become so economically powerful for the fashion industry that it's spawned its own name: The Cambridge Effect and it's worth billions.

The royals have arrived in Poland for their second tour as a family of four

These royal siblings are clearly the best of friends!

Pointing-fingers Kate the Duchess and Princess Charlotte

Kate, 35, paid a visit to Hornsey Road Children's Centre in north London on Tuesday where she disclosed her two-year-old daughter's favourite colour.

Princess Charlotte was pictured cheekily sticking her tongue out to photographers at a regatta event in the Isle of Wight, while Prince George wore a captain's hat and shared a gap-toothed grin. See the pics...

Prince George, Princess Charlotte and Prince Louis are celebrating their grandfather King Charles' second birthday parade. See the best photos of Kate Middleton and Prince William's children.

See Prince George & Princess Charlotte blowing bubbles, playing with balloons, & don't miss Kate's dress from another new designer at the party in Canada.