William and Kate shared the photo on their joint Instagram account, @princeandprincessofwales. On her own newly-launched Instagram account, Meghan, the Duchess of Sussex, shared a photo Friday of herself kissing Prince Harry along with a Valentine's Day message.

Valentine’s Day is essential for couples, even couples within the royal family, maybe more so since the world watches them every day. How Prince Harry and Meghan Markle celebrated Valentine’s Day shows a great deal about their love for each other.

Prince William and Kate Middleton showed a rare public display of affection as the royal couple marked Valentine's Day with a kiss.