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Oritse is auctioning a bunch of his personal stuff for a great cause.
The JLS singer has decided to sell his private possessions to raise money for the MS Society.
When Oritse was growing up he had to look after his mum, who developed the disease when he was 12.
"I felt like I was carrying the weight of the world on my shoulders," he said.
"That's why, when I got the chance to put JLS together, I worked my socks off to make my mum proud of me and fulfil our dreams."
The 'She Makes Me Wanna' singer is now an ambassador for the charity supporting Multiple Sclerosis sufferers.
And so he'll be flogging items on eBay to raise money for the society, including his lucky Superman pants and a Michael Jackson T-shirt he's worn on stage.