The Duke and Duchess of Sussex previously appeared in the six-part series Harry & Meghan on the streaming platform.
"The last nine months have been incredibly tough for us," the Princess of Wales said.
Trump has often boasted of the "great relationship" he had with the British monarch.
The Duke of Sussex opened up about his wife in a new documentary called, Tabloids on Trial.
"That's certainly a central piece to it. But... it's a hard question to answer," the royal said.
The sovereign grant will increase to £132m for 2025-26.
Prince William and Kate Middleton released the black-and-white photo on the prince's 11th birthday on Monday.
Is this the sequel to pengate?
The Duchess of York was originally scheduled to be in Australia in October.