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18 August 2014, 10:27
The global superstar gives one 8-year-old-boy the present of his life!
The 'Mirrors' singer took a break from his usual repertoire of chart hits to wish one very lucky fan a very happy birthday!
The 33-year-old led the audience of 25,000 in a group sing-a-long in celebration of the boy's eighth birthday.
Julian Delan who suffers from autism received a ticket to The 20/20 Experience to see his favourite star, but he got the surprise of his life when Justin paused and sang especially for him.
Watch his amazing reaction above!