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(WJW) — An actor known for her work on “Cheers” and “Veronica’s Closet,” among many other films and TV shows, has died at 71.

Kirstie Alley‘s children True and Lillie Parker took to Twitter Monday night to share the news of their mother’s passing.

“To all our friends, far and wide around the world … we are sad to inform you that our incredible fierce and loving mother has passed away after a battle with cancer, only recently discovered,” they wrote in the post.

The Kansas-born actor was reportedly surrounded by her family at the time of her passing, and the children thanked the care team at Moffitt Cancer Center in Tampa, Florida, for their work.

The family asks for privacy during this time.

Her good friend and fellow actor John Travolta also posted to social media Monday night, saying this isn’t the end.

“Kirstie was one of the most special relationships I’ve ever had. I love you Kirstie,” he said. “I know we will see each other again.”

In later years, Alley made appearances on show like “Hot in Cleveland,” “The Middle” and “Scream Queens,” and even had her own show “Kirstie” from 2013-2014.