Hand kissing: King Charles kisses his late mother Queen Elizabeth II's hand after the Diamond Jubilee Concert in 2012 at Buckingham Palace.
Maori kiss: Prince William gives a maori kiss to a Māori elder on a trip to Shantytown, New Zealand in 2011.
Father and son: Prince William lovingly kisses his baby boy and third in line to the throne, Prince George, on the birthday of his little sister Princess Charlotte.
Father and son: There's nothing like a father's love.
Love for Invictus Games competitors: Prince Harry, founder of the annual Invictus Games, kisses a team member from the United States in 2016.
Love for Invictus Games competitors: A year later, he is seen kissing the head of a United Kingdom athlete in Toronto.
Grandfather and grandson: Prince William shares a gentle moment with his late grandfather, Prince Philip.
Royal greetings: Camilla, shakes hands with a young woman in a wheelchair.
A rare sighting: While public displays of affection between these two are rare, they are caught embracing each other from time to time.
Those cheeks: Princess Charlotte waves to the camera on her way to meet her new baby brother, Prince Louis of Cambridge.