The star was in Europe promoting her hit TV drama Empire when she fell ill.

Henson posted a photo of an IV drip in her arm on Thursday (18Jun15), shortly after she arrived back in the U.S., and added an Instagram update of Friday (19Jun15), writing, "God has a way of saying, ‘You’re doing too much! SAT DOWN SOMEWHERE' (sic).

"I’m listening Father!!! I am taking several seats!!! Don’t worry y’all I’m a tough cookie! HA! I will be just fine. My momma and best friends are flying in to check on me. I AM FINE!!!!!!! Just need to SAT ALL THE WAY DOWN for a bit. #listentoyourbody."

Insiders tells the 44-year-old actress ate something rotten while she was in Monaco.