Prince Harry and Meghan Markle were seen leaving Clarence House after meeting with Prince Charles at his London residence this morning, it has been claimed.
The Sussexes were reportedly seen leaving his home shortly before Friday morning's National Service of Thanksgiving.
After leaving, they were followed not long after by the Prince of Wales and Camilla, the Duchess of Cornwall.
Clarence House and Buckingham Palace has refused to comment on reports that the Queen has already met the couple's daughter Lilibet.
But Vanity Fair reports Harry and Meghan met with Charles before the service, which the Queen was forced to sit out.
The Duke and Duchess of Sussex travelled from California to join the Royal Family and the British public in the celebrations for the Queen's 70-year reign this week.
Royal commentator Omid Scobie, one of the authors of the Duke and Duchess of Sussex's biography Finding Freedom, said that yesterday evening would have been the first time the monarch could have met her namesake, who turns one on June 4, in person.
It was initially believed that the Queen had finally met Lilibet, but Mr Scobie clarified: "Regarding meeting Lilibet, I simply said after Trooping 'would have been the first chance' to as both the Queen and the Sussexes returned to Windsor."
The news comes as the Queen celebrates the second day of her Platinum Jubilee today, with the highlight a service of thanksgiving at St Paul's Cathedral attended by senior royals and politicians.
Wider members of the family are also expected to be present, including Prince Harry and Meghan followed by a Guildhall reception.
Mr Scobie told BBC Breakfast: "I think people are expecting some sort of big birthday extravagant event, that we're going to see photographs from. From what I'm told, we shouldn't expect anything.
"Those moments with Lilibet are very much private between them and the Queen and of course we know how much she's been looking forward to it.
"They've been held back by a pandemic. Of course the times that Harry has been here it's just been by himself for quite sombre occasions. And so this really was the first time.
"Of course we know the Queen went back to Windsor Castle yesterday, the couple went back to Windsor as well where they're staying at Frogmore Cottage."
