Prince Harry has revealed fiancee Meghan Markle is settling in well after sharing a "fantastic" Christmas with the Royal Family in Norfolk.
The couple stayed with the Duke and Duchess of Cambridge, who live at Anmer Hall in Norfolk, while visiting the Queen at her nearby Sandringham estate.
Speaking about Ms Markle in an interview with the BBC's Today programme, Harry said the Royal Family "loved having her there".
"There's always that family part of Christmas (where) there's always that work element as well, and I think together we had an amazing time," he said.
"We had great fun staying with my brother and sister-in-law and running round with the kids. Christmas was fantastic."
Prince Harry was guest editor on the BBC Radio 4 programme, and was asked whether there were any family traditions he had to explain to his fiancee.
"Oh plenty, I think we've got one of the biggest families that I know of, and every family is complex as well," he replied.
"No look, she's done an absolutely amazing job. She's getting in there and it's the family I suppose that she's never had."
As part of his guest editor role, Prince Harry interviewed former US president Barack Obama on the use of social media.
And he joked he has yet to decide if Mr Obama will be invited to his wedding.
"I don't know about that, we haven't even put the invite or the guest list together; who knows if he's going to be invited or not, I wouldn't want to ruin that surprise," he quipped.
Back to work this morning! Congrats on everything this year & no pressure on the R4 guest edit! P.s. Need a best man? pic.twitter.com/SA6VjEQqgC
— Anthony Joshua (@anthonyfjoshua) December 27, 2017
He also quizzed his own father, the Prince of Wales, on his long-held interest in the environment, and interviewed world heavyweight boxing champion Anthony Joshua about his career.
The champion boxer later tweeted a picture of himself and the prince with the caption: "Back to work this morning! Congrats on everything this year & no pressure on the R4 guest edit! P.S. need a best man?"
Harry will marry Ms Markle on 19 May at Windsor Castle and is widely expected to choose his older brother William to be his best man.
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Prince William picked Harry for the role when he got married in 2011, dispensing with the tradition that male members of the Royal Family have one or more "supporters".
:: Prince Harry is patron of the Invictus Games. Click here for more information on the Sydney 2018 games.