The entertainment world has lost an icon.
On Wednesday afternoon, at the age of 80, Mary Tyler Moore died after being admitted a week earlier to a hospital in Connecticut.
The legendary actress had battled Diabetes for many years and faced severe health problems, including kidney and heart failure, starting in 2014.
In light of this tragic news, a number of celebrities have expressed their sadness and sent their condolences via social meda.
Here is a look at what they've had to say:
TV Icon and groundbreaker #MaryTylerMoore has passed. She broke through our TV screens and showed that a powerful woman can be funny. RIP.
RIP beautiful, upbeat, shining, glorious, wonderful, iconic Mary Tyler Moore.
#MaryTylerMoore was a dear friend and a truly great person. A fighter. Rest in peace, MTM.
Harry Connick Jr.
i never met mary tyler moore, but i loved her from afar - for her talent and, most importantly, for the trails she blazed for women.
She turned the world on with her smile. RIP, Mary Tyler Moore. You were a role model in so many ways.
That shift in the Earth you just felt? That crater that is left behind? That is the legacy of the incomparable #marytylermoore RIP 2 an icon.
"You can't be brave if you've only had wonderful things happen to you."#MaryTylerMoore
I throw my hat up in the air for you, Mary Tyler Moore. Loved her and her spirit. Rest in peace.
RIP Ms. Moore. Thank u for showing a young me it was ok to be strong, single, feisty, rebellious & free. You were my beacon.
#MaryTylerMoore it was my honor to have met you.. & working with you when you graced us on That '70s Show a memory I will carry forever #RIP.
I could not do what I do without her.
Mary(MTM) was a gem. She was iconic, my boss, cast mate and a friend and I will miss her.
You paved the way. #MaryTylerMoore #rip.
Oh Mary Tyler Moore. You were true inspiration, and power when I didn't know what that was. Thank you.
"Who can turn the world on with her smile..." #MaryTylerMoore may she rest.
who could turn the world on with her smile.. who could take a nothing day and suddenly make it all seem worthwhile" RIP Mary Tyler Moore.
R.I.P #maryTylerMoore "who can take a nothing day and make it all seem worthwhile well it's you girl and u should know it"
No!! Say it isn't true. Mary Tyler Moore is gone. We loved you so. #MaryTylerMoore.
So sad to learn of the passing of Mary Tyler Moore.