Casey, 29, posed for the snap while snuggled up in bed last night (2 May) and pulled her best pout for the camera.
Posting the photograph on Twitter, Casey told her followers: "Goodnight you beautiful people xx."
It's been an exciting week for Casey, as she has just launched her own line of leggings after teaming up with Wild!.
Yesterday, Casey announced that her range was now on sale, telling fans: "Guys my legging range is finally out Check out my leggings @wild_leggings They are lush x."
Casey has designed 11 pairs of leggings, including metallic, snakeskin and nude numbers, and they are priced from £15.
What are you waiting for? Check them out here!
Do you like the look of Casey's leggings line? Tell us below, as the best comment from across the website each week wins £50.