The Duchess of Cambridge and Prince William got behind the bar at the Empire Music Hall as the first day of their visit to Northern Ireland came to a close.
There were cheers as the delighted Duchess, 37, set her Harp Ice lager down, despite appearing to have a bit too much head.
William, 36, had a go after and said “here we go” as he tilted the pint glass.
He watched the tap with a keen eye and commented “look at that bad boy”, concluding: “Perfect…good enough for an advert”.
Wils and Kate were treated to music and comedy acts inside the venue and got to meet Olympian Dame Peters, who was appointed to the Order of the Garter.
Speaking at the event, the Duke of Cambridge hailed Mary and her work to get young people involved in athletics.
He said: “Mary Peters, is not only one of the United Kingdom’s sporting legends, she’s also inspired generation after generation to come together in times of trouble and work for the common good – a lesson I hope many of us can learn from.
“So it was fitting today that Her Majesty The Queen has appointed Mary to be a Lady Companion of the Most Noble Order of the Garter – one of the UK’s highest honours. And I hope you can all join me in thanking and congratulating her personally this evening.”
“She’s inspired generation after generation to come together in times of trouble”
Prince William on Olympian Mary Peters
Earlier in the day, Kate enjoyed a kickabout about with some schoolchildren during the first engagement of the trip.
The Royals met members of the Irish Football Association in Windsor Park and were greeted by scores of cheering kids.
The Duke and Duchess stopped to chat with the crowds and accepted bunches of flowers from ecstatic fans.
Wils and Kate are officially back at work after taking a break over the half-term holidays.
They treated Prince George and Princess Charlotte to some quality time a t a luxury spa where they had swimming races and a steam.