Thanks heavens she was nowhere near a red carpet, as long gone were the colour-pop lips and long, curly hair we're used to seeing the former X Factor winner rocking...
We're not sure what the 'Bleeding Love' singer was getting up to, but we're all for a bit of fun with a fancy dress box.
And weirdly, Leona actually manages to pull this off and still look hot – well kinda!
It must be her crystal blue eyes and long, fluttery eyelashes as we're not sure we'd look quite so good dressed like this...
The knitted beard is probably not a look that'll catch on with the A-listers this autumn/winter, but it does have the added advantage of keeping one's chin warm at the same time.
OK, maybe not. We'll stick with the woolly scarves then.
Let us know what you think of Leona's latest, er, look, below! Our fave comment across the site each week wins £50!