Prince William: George and Charlotte are lucky to have great-grandmother Queen Elizabeth as a role model
Prince George calls Queen Elizabeth 'Gan Gan' and more revelations from Kate Middleton's new interview
Revealed: Kate took personal photos of George and Charlotte with the Queen at 90th birthday photoshoot
Prince William: 'There will be no African elephants or rhinos left in the wild by the time my daughter Charlotte reaches her 25th birthday'
Kate Middleton on her kids: Prince George has a need for speed while Princess Charlotte is 'keeping him in check'