Queen Elizabeth and Prince Philip opened a new museum at Charterhouse in London on Tuesday (28.02.17).
The 90-year-old monarch and her 95-year-old husband were given their very own almshouse brother as they arrived.
Mr. Matthews, a retired organ player and one of 45 brothers who lives on site, recalled meeting the Duke of Edinburgh for a second time, and how jolly and fun he was.
He said: "The last time I was at the palace, he said to me 'you look emaciated' and this time he said to me 'you look starved' and I said to him 'well they do look after us very well here'.
"He always likes to leave you with a smile, a little joke and he did the same again."
Matthews was tasked with playing the National Anthem before the Queen unveiled a plaque on site, and praised the couple for their dedication to maintaining the "historic connection with Charterhouse" that the royals have had over the years.
According to The Sun newspaper, he said: "We can't prompt them. We get these invitations from time to time and it's lovely for us personally to do it, but also it's lovely they keep up this historic connection with Charterhouse."
Elizabeth and Philip also got to meet school children who were busy making their very own coat of arms at the brand new learning facility.
Following their visit, Anna Kendrick - who hosted the event - said the couple took their duties very seriously and the queen was more than willing to play along with having her own almshouse brother and made sure she got to speak to them before the day's proceedings kicked off.
Anna said: "When we sent the briefs to the palace of what the plan was, we said (their) brothers would be introduced as they arrived and the Queen said 'yes but when do I get to have a chat with my brother?'.
"So before they went into the chapel they each had an opportunity to have a few minutes with their brothers."
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