The royals secretly linked up with the couple, likely when the Grammy winner and NFL player, both 36, were in London in May.

Queen Elizabeth was “uncharacteristically overjoyed” at the 2011 nuptials.

The Princess of Wales made a surprise appearance at the tennis tournament on July 2.

Some of Kate Middleton’s most iconic jewelry pieces were inherited from Princess Diana, by way of Prince William. Here’s a look at her royal jewelry collection fit for a princess.