Joni Mitchell, who was hospitalized after being found unconscious in her Los Angeles home earlier this week, "continues to improve and get stronger each day."

The Canadian folk singer was taken to hospital by ambulance Tuesday night, after she was found unconscious at home. She was later place in intensive care and was undergoing some tests.

In a statement posted to her website Friday night, an update said: "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."

It did not give further details on Mitchell's condition.

Mitchell, 71, has an accomplished career as a singer-songwriter. Born in Fort MacLeod, Alta., Mitchell moved to Southern California in the late 1960s, won eight Grammy Awards in her 40-year career, and was inducted into the Rock and Roll Hall of Fame in 1997.

Mitchell has released 19 albums and is well known for her hit songs Big Yellow Taxi and Chelsea Morning.

When news spread of her hospitalization earlier in the week, artists and fans reached out to wish her a speedy recovery. Billy Ray Cyrus, Ron Sexsmith and LeAnn Rimes were among the celebrities who tweeted their support for the influential singer.

Due to the outpouring of support, Mitchell's representatives created an online page to collect messages for the musician. Fans who want to post to the page can use the hashtag #WeLoveYouJoni to send well-wishes.