Good on Rihanna for lending her support to Comic Relief.
The star got behind the Red Nose Day campaign by posing for a picture in one of Stella McCartney's t-shirts especially designed for the charity.
But in true Rihanna fashion she forgot to pop her trousers on beforehand.
Tweeting the snap, Stella McCartney wrote: "Thank you @Rihanna for supporting @rednoseday! You're the best x Stella #RND."
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Let's hope there's some money in the charity kitty to buy RiRi a pair of trews.
The t-shirts are available from TKMaxx now.
Want to make a difference? Click here to donate to Comic Relief
