Ms. Santis added: “We love this family so much.”
Other supporters echoed her words, chanting “we support you even more” as the royals headed towards Westminster Abbey.
But there was an undercurrent of irritation at the event, with Ms Santis taking the opportunity to vent her frustrations with the Duke and Duchess of Sussex.
She held up a sign to thank Prince William and praise him for his candid conversation with Prince Harry, whom she called a “boy”.