Mary-Kate Olsen ain't on top form.
And the poor bunny has been taken into hospital to help her recover...
But what's got MK under the weather?
Well according to her rep, she's been kept in a New York hospital with a kidney infection.
Fret not MK fans, she's soldiering through and should be fit and well in no time.
Her rep, Nicole Caruso, told People that Mary-Kate was admitted to ER, but is now "resting comfortably and will be released in the next day or so".
We're sure she'll be getting lots of well wishes from all in Celebville and that her sis, Ashley, will be on hand to nurse her back to health.
So get well soon MK.
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