Prince William and Kate Middleton's Joint 40th Birthday Party: Everything We Know

glamour.com:

Who is hosting? The queen, duh. The party will either be held at Windsor Castle or Her Majesty's Sandringham Estate.Who is coming?

Senior members of the royal family are expected to attend, but QE2 herself will make a day-of decision because of her “mobility issues” (she is, speaking of birthdays, 96 years old, after all).

We don't expect Harry and to attend, but you just know Meghan is going to send a gift, and it's gonna be, like, organic bamboo toothbrushes or something.This content can also be viewed on the site it from.What about flags?

Oh my god, I am so glad you asked! Traditionally, the Union flag has been flown on government buildings to mark the birthdays of senior royals, because monarchies are weird.