How Kate Middleton Is Spending Her Birthday ... Charlotte and Louis ‘Seem to Get on Incredibly Well,’ Royal Biographer Says: ‘They’re All In It Together’ Are Prince George, Princess ...

The Princess ... birthday portrait in celebration of him turning another year older. Related: Kate Middleton Will Carry on This "Touching" Tradition for Prince Louis’s Birthday "Happy 6th ...

Prince George, Princess Charlotte and Prince Louis join Kate Middleton, Prince William, King Charles III and Queen Camilla on the royal family's annual Christmas walk in Sandringham Dec. 25.