Chris Jackson/Getty Images While Prince Harry and Meghan Markle's royal wedding saw its fair share of extravagant hats, there's one event that may just give it a run for its money: the Royal Ascot. The weeklong series of horse races encourages attendees to dress to the nines, and it's the perfect opportunity for them to pull out their most extravagant hats. Members of the royal family were in attendance, and they definitely didn't disappoint with their hats and fascinators.