The 'Live While We're Young' singer, who competed with his bandmates on The X Factor in 2010, is said to have told the Union J member that the secret to success lies in their matching curly hairstyles.
© WENN
© WENN
"Harry and George swapped numbers as the two groups are bound to start bumping into each other around the scene," a source told The Mirror.
"Harry sees a lot of himself in George, so wanted to pass on a jokey text revealing his own secret, which is why he told him to never cut his curls as he reckons his hair makes him such a hit with the ladies."
The insider continued: "George was laughing and showed the text to a couple of people, but I'd say there's no way he'll be going for any drastic haircuts from now on."
Shelley has been romantically linked to fellow X Factor contestant Ella Henderson since the live shows began, though she has denied the claims.
Photo gallery - The X Factor's second results show:
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