Kate Middleton and Prince William have launched a YouTube channel

William and Kate banter each other in hilarious new clip as they launch YouTube channel

Princess Charlotte looks so much like the Queen and William in the new portrait

Royal fans can't decide whether Charlotte looks more like the Queen or William in new portrait

Kate Middleton and Prince William release heartwarming family video to mark anniversary

Kate Middleton and Prince William release heartwarming family video to mark anniversary

Kate Middleton has Prince Harry to thank for her iconic sapphire engagement ring

How Prince Harry selflessly gave up Diana's engagement ring for William and Kate

Kate Middleton and Prince William released the stunning pictures to mark a decade of marriage

Prince William and Kate Middleton mark 10th wedding anniversary with new portraits

Kate Middleton and Prince William looked in good spirits as they carried out royal duties

Kate and William look loved-up on royal duties ahead of 10 year wedding anniversary