Harry warns 6-yr-old not to bring up nude Las Vegas pictures

Alex Logan (6) appeared poised to broach the topic of the royal's embarrassing pictures when the two met at an awards ceremony celebrating seriously ill youngsters and the doctors and nurses who care for them.

Cheeky chap: Prince Harry wags his finger to admonish six-year-old Alex Logan for wanting to know about his nude Vegas romp.

When the six-year-old was interviewed by a news channel, he was asked what he would say to the royal and replied, "I'm glad you've got your clothes on, Prince Harry."

But the prince left the little boy in no doubt the incident was off limits, crouching down to his level and telling him not to talk about it as he shook his finger at him and smiled.

The royal is all smiles as he poses with other sick and unwell childrenu00a0at the WellChild awards ceremony. Pics/Getty Images

Debbie Logan, the youngster's mother, describing the encounter, said, "Harry said to Alex ‘you keep looking up at your mum, looks like you're dying to say something but you know she will tell you off. I heard you were on TV earlier, you said something cheeky, let's not talk about that here."

Harry's attendance at the WellChild Awards ceremony was his first official function since embarrassing naked pictures of him and an unnamed woman partying hard with strangers in his hotel suite during a holiday were published.

He looked relaxed, joking and laughing with the sick children, including Alex who is in remission from leukaemia.u00a0