Justin Bieber shocked staff working at a Scottish fish and chips shop by singing the menu at them.

RadarOnline.com can reveal the Canadian singer, 31, popped into the food joint before heading off to a nearby pub for a night out with pals, who were all in Scotland attending the Alfred Dunhill Links Championship Article continues below advertisement

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And according to the shop’s owner, Bieber displayed zero diva behavior, and he blended in so well with locals that, staff didn’t realize they were serving a pop superstar.

Charles Mair, the manager of Cromars Fish and Chips in St Andrews, said: "To tell you the truth, we had absolutely no idea who it was. We were very

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