The Big Brother's Bit On The Side host has teamed up with Asda's BBC Children in Need campaign to promote the super cute clothing item...and check out how snug he looks!
In the snap, Rylan can be seen jumping for joy in his bright yellow onesie, which features a hood of Pudsey's adorable face – aww.
Rylan recently got engaged to boyfriend Dan Neal and he spoke about how he can't wait to wear matching onesies with his husband-to-be.
He said: "Pudsey is such a hero of mine – I never dreamt I would be having a pyjama party with him! I can't wait to watch BBC Children in Need with Dan in our matching onesies."
And it's not just Rylan who is ditching their glam clothes for cosy clothing. Tamara Ecclestone, previous X Factor contestant Amelia Lily and presenter Zoe Hardman have also participated in the campaign. Check out Tamara in her bed gear!
New mum Tamara added: "I was so thrilled to be asked to take part in this year's BBC Children in Need campaign. As a new mum myself, I want to do as much as I can to help make a difference to the lives of disadvantaged children. The work that BBC Children in Need carry out is so incredibly inspiring, I really do urge everyone to make this year the best yet and change even more lives in 2014."
This year's products can be purchased at Asda, with a percentage of proceeds going to BBC Children in Need.
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