Edward’s presence signals both his growing importance in his own family, as well as the monarchy's importance to British diplomacy at a potentially rocky moment.

The past and incoming first lady has a history of wearing outfits at public events that grab attention or even stir controversy.

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?