The 65-year-old singer was telling Piero about his son's footie ability backstage after his appearance on Aussie 'X Factor' when the footballer handed over the Tees to him, reported Sun Online.
"My little boy is 22-months-old and loves soccer. He's already kicking the ball around. He will love this," John said.
When asked Peiro about his favourite tracks of Elton John, he said, "I am such a fan. How he is able to write his songs in just a couple of days