An I'm A Celebrity viewer spotted Shane Richie's secret message to his mum written on his hat.
Over the course o f the series, many of the celebrity campmates have sent incognito signals to their loved ones at home.
In previous years, Iain Lee used a hidden code with his thumb and fingers, while Rebekah Vardy drew visible messages to husband Jamie and her kids on her hat.
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In this series, Giovanna Fletcher has been holding her thumb to her nose and wiggling her fingers to send a special greeting to her kids.
While Jessica Plummer revealed: "I said to my daughter before we left each other that if she misses me when she's at home, she looks for the moon, I can look at the moon and we can both see it."
However, tonight viewers noticed an addition to Shane's hat.
Previously he'd written his son's initials on the canvas headwear.
But recently he's added the message 'Hi Mum' on the rim of the hat.
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Spotting the secret signal, one viewer tweeted: "I’ve never seen anything as cute as Shane’s hat."
The tweet gained traction as others noticed the sweet gesture.
