Keep calm and tweet on.
For anyone who wants to stalk Harry throughout his trip to the District and America (we know who you are because you post things on Twitter), Buzzfeed has the definitive guide.
We've also put together a list of the best Twitter reactions, thus far, to His Royal Highness's Washington foray:
Does he know that he's your future hubby?
Want free food and a royal challenge? Become besties with Har-Har and take him to get lunch.
Today, D.C. will be far from royal-free.
Not sure if you're on Kent Island, Md., in Kent, U.K. or at Kent State University, but chances are your grammatical errors are turning Prince Harry off...
For those who live under a rock, Prince Harry of Wales is third in line to the British throne.
@Snydercsnyder should coordinate plans with @K_Marafino, who probably knows Harry will only be in town until tomorrow!
So excited to go to DC tomorrow so I can stalk Prince Harry the whole weekend 😄😍👸👑
— sydney snyder (@sydneycsnyder) May 9, 2013
We already know royals shop at the Gap.
Winner of creepiest Tweet!
Dear Prince Harry,Yes I am planning our life together! Love your princess,Kriss #PrinceHarryUSA
— Kriss Michelle (@KrissieShelly) May 9, 2013
Sorry, Nick, I think your significant other has other plans...