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.

In this week's edition of Emily in Palace, our royal editor discusses Prince Harry and Meghan Markle's PDA, Princess Kate's BAFTA decision and the glamour of royal tours.

Just hours after Prince William and Kate Middleton broke with royal convention by taking to social media to share a peck on the cheek to mark Valentine’s Day, Meghan Markle decided to show them how it’s really done.