Prince William enjoyed a few drinks, chatted about art, punk haircuts and garage music - and teased his father on their visit to Wales.
A wave for Wales as Prince William arrives at Bangor
The prince travelled to north and south Wales with Prince Charles on the only official engagement to mark his 21st birthday on Saturday.
Renditions of Happy Birthday in English and its Welsh equivalent - Penblwydd Hapus - kicked off their arrivals in first Bangor and then Anglesey.
He pulled his father's leg about underage drinking - and used decidely adult language when he joked that photographers were trying to get him drunk.
William raised a laugh when he tasted three glasses of two different liqueurs.
Don't believe everything they tell you
Charles refuses to rise to his son's drinking bait
"Are you trying to get me p*****d?" he joked.
With a hint of mischief in his voice, he said to his father: "Look Pops, they've got cherry brandy."
William had evidently been told the story of when his father ordered a cherry brandy in a pub as a schoolboy.
Father and son princes enjoy a drink in Anglesey
An amused Prince of Wales raised his eyebrows and replied to his son: "Don't believe everything they tell you."
"We offered Charles the cherry brandy but he said he'd better not have that
and tried the apricot brandy instead," said Carol Jones of Condessa, makers of
liqueurs in Llanfaethlu, Anglesey.
More drinks were on the way when William sampled a real ale named Amnesia.
"It does exactly what it says on the bottle," Martyn Lewis, of the Isle of
Anglesey Brewery, told William.
"I don't normally do real ale, I like cider, but this is good," the young
Wow, look at this ... these are brilliant
William admires wild hairdos
Hundreds of fans gathered at Bangor train station to greet him and Prince Charles on their arrival on a train called Prince William.
Hundreds turned out in Bangor to greet the young prince
Both Charles and William walked over to a crowd of pupils from St Gerard's School in Bangor who were waving both the Welsh and British flags.
Teleri Jones, 13, said: "I am a big fan. I shook their hands and they said hello.
"I noticed that William's hands are very soft, while Prince Charles' are hard!"
Array of goodies
Pensioner Marie Wilcox, who waited two-and-a-half hours to see him, said: "It's the first time I've seen Prince William and he is so like his mother, unbelievably like her.
"He has a gentle demeanour and was very personable, looking you straight in the face as he spoke to you."
The two princes walked round the Anglesey food fair with its 28 stalls of local produce offering an array of goodies - everything from Welsh cakes and beer to black beef and sea salt.
He chatted to the stallholders, many of whom saw the event as an important boost for an area hard hit by recent crises in the farming industry.
Erin Jones, 17, helps William with a celebratory birthday cake
Bess Evans, who makes a range of home-made cakes said: "It went quite well, better than I expected. He spoke more than I did. He was very interested."
Ieuan Williams, aged 14, was one of the singers who performed for the two princes.
He said: "It is good to see him touring the country to see all his people, to make sure everyone know he does care."
Preparations for the visit had been underway for hours at the food fair before they arrived.
Local herb grower Rowena Mansfield said: "Will's birthday is the same as mine, but I won't be 21 again."
There is speculation that after finishing his history of art course William will spend six months learning Welsh at the University of Wales, Aberystwyth, as his father did in the 1960s.
Charles lends a hand with the crowds in Bangor
Elen Thomas and Holly Williams, both 11, dressed in traditional Welsh costume, asked William if he spoke Welsh and if he would be invested as Prince of
Wales at Caernarfon Castle, as his father had been.
"William said his Welsh was a bit poor, so he needed some practice," said
Elen. "He said he thought he probably would be invested at Caernarfon."
Offer of a pint
William and Charles then visited the Newport Action for the Single Homeless (Nash) day centre in south Wales.
William, who is two years into a history of art degree at St Andrews University in Scotland, met many people his own age who live in hostels.
The princes took a tour of the scheme which
attempts to improve the employment prospects of vulnerable young people with
activities such as carpentry, photography and art.
In Newport Floyd D shows the two princes how to mix
He had to decline the offer of a pint from one Nash member, Darryl Williams,
who cheekily invited the prince out for a beer.
Darryl, 21, originally from Cwmbran, said:
"He was wicked. He said he'd love to come for a drink.
"I asked him but he
couldn't because of the press. If I had his number, I would go down to his
"He asked me what type of music I was into. I said garage and anything
really. He likes a bit of garage."
In the carpentry workshop, he met spiky-haired Nick Trett, from Newport, and
commented on his choice of hairstyle - which was not dissimilar to Pop Idol
runner-up Gareth Gates.
"I love the hair," William exclaimed as he entered the room.
In the art room, William was able to show off his knowledge of the art world.
He exclaimed on seeing dramatic pictures of punk-style women with extravagant
hairdos: "Wow, look at this ... these are brilliant."