The Big Yellow Taxi singer, 71, was taken to a hospital and placed in an intensive care unit, but representatives for the star have reached out to fans to ease fears over her health.

A statement posted on Mitchell's official website on Friday (03Apr15) reads, "Joni remains under observation in the hospital and is resting comfortably. We are encouraged by her progress and she continues to improve and get stronger each day."

The cause of the singer's health scare has not yet been made public.