Harry is now fifth in line for the throne and will be demoted to sixth once Middleton gives birth to her third child later this month.
A White house official confirmed per CNN that Trump had not been invited to the wedding, and a royal source said Barack and Michelle Obama would also not be in attendance, although it is unclear whether the former U.S. President and his wife had been invited.
Read: Here's the scary trailer of Jason Statham's The Meg.
There has been a considerable amount of speculation on whether or not Prince Harry and Meghan Markle will invite the Obamas and the Trumps to their wedding, but it turns out they've decided on neither.
Amelia, along with nearly 1,200 other people who have made "notable contributions to the local community", will be joined by 200 guests from charities the royal couple work with, as well as 100 local school pupils and 500 members of the royal household. Barack also visited the Harry's Invictus Games in September and watched a few matches with the prince.
I think we can all agree that it's pretty disappointing that Prince Harry is still planning to marry someone who is not me. The Associated Press reported Tuesday that the guest list for the much-anticipated event consists largely of family and friends.
Now she has chose to give her other ticket to grandmother Sharon Goodman, whose 15-year-old granddaughter Olivia Campbell-Hardy died in the attack.
Sharing the image on Twitter, Darren McGrady, a former Royal chef who's cooked for Princes William and Harry, their late mom Princess Diana and their grandmother Queen Elizabeth II, wrote, "Loving all the #PrinceHarry and #MeghanMarkle memorabilia".
Members of the public who are on the guest-list are invited to bring their own picnic to the castle grounds.
Of those, 1,200 have been picked out by royal officials from around the country and the remainder will be members of the public, guests from charities associated with the couple.
Schoolgirl Amelia Thompson who was caught up in last year's Manchester terror attack said she was "speechless" when she saw the message inviting her.