The 'Home' singer's little boy is set to undergo treatment for liver cancer.
Marie will 'Never Forget' when she was lucky enough to meet the boys backstage.
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I met the guys many years ago, backstage at Wembley Arena and it was the most fantastic day of my life, one that I will "Never Forget"!!!!
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!