ACTRESS Lynne Marie Stewart, famous for her role in It's Always Sunny in Philadelphia, has died aged 78. The heartbreaking news was confirmed by her fellow Hollywood friend Cassandra Peterson. She wrote: "My heart is breaking upon hearing the news of my dear friend @lynnestewart78 Lynne Stewart’s passing. One of the kindest, sweetest, funniest women who ever lived.
![[Lynne Marie Stewart at The Groundlings 50th Anniversary event.]](https://www.the-sun.com/wp-content/uploads/sites/6/2025/02/lynne-marie-stewart-attends-groundlings-974076020.jpg?strip=all&w=640)
"The iconic Miss Yvonne of Pee-wee’s Playhouse: She’ll always be 'the most beautiful woman in Puppetland'.". Heartbroken fans flooded the comments with tributes to the beloved actress. One fan wrote: "So sorry to hear, sending prayers for peace.". The American TV star was best known for playing Charlie's mom, Bonnie Kelly, on the long-running series It's Always Sunny in Philadelphia.
![[Lynne Marie Stewart at a film premiere.]](https://www.the-sun.com/wp-content/uploads/sites/6/2025/02/24d07ce6-c52f-4743-a275-54aa5a3fca11.jpg?strip=all&w=689)
Stewart was also famous for her role in Pee-wee’s Playhouse. More to follow... For the latest news on this story, keep checking back at The U.S. Sun, your go-to destination for the best celebrity news, sports news, real-life stories, jaw-dropping pictures, and must-see videos.
![[Lynne Marie Stewart and Danny DeVito in a scene from *It's Always Sunny in Philadelphia*.]](https://www.the-sun.com/wp-content/uploads/sites/6/2025/02/lynne-marie-stewart-danny-devito-974076850.jpg?strip=all&w=960)