Singer Robbie Williams was left red-faced on stage after accidentally telling a "sexy secretary" joke to a 15-year-old girl.
The star picked out Morgan from the crowd, and commented on her "secretary look", but when he asked how old she was and she said she was there celebrating her 15th birthday, he went red faced, reports mirror.co.uk.
The former "Take That" singer told the teenager: "I love that look. I love the look with the glasses, and the hair, it's like a secretary look."
"Which reminds me, I've got to clear my browsing history on my computer before Ayda sees it."
"How old are you today Morgan? Fifteen? Oh s***, that joke just..."
As the crowd laughed, Williams joked: "Don't put that up on YouTube. It'll be on YouTube, and then it'll be in the newspapers, and then I'll get arrested."
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He was about to perform his hit song "She's The One" in Brisbane, Australia, as he continues his Let Me Entertain You tour.
Williams carried on digging after realising his mistake, and asking if Morgan was there with her mother, he said: "Hi mum," adding: "How are you doing? Uncle Rob here."
He went on: "How do you dig yourself out of that one? Stay away from boys like me, Morgan."
He went on to dedicate the song to both Morgan and her mother, even changing the lyrics to "She was younger than me".