Pee-wee’s Playhouse, It’s Always Sunny Star was 78

Lynne Marie Stewart, the veteran actress best known for her work on Pee-wee’s Playhouse and It’s Always Sunny in Philadelphia, among dozens of other projects, has died. She was 78.

Stewart died Friday, according to a spokesperson for the comedy sketch troupe The Groundlings. The cause of death wasn’t immediately available.

“We are heartbroken to hear of the passing of our dear sweet Lynne Stewart,” The Groundlings shared in a statement. “She wasn’t just the most beautiful woman in all of Puppetland — she was the most beautiful woman that we ever met, inside and out. Her warmth, humor and unforgettable presence lit up a room and brought joy to so, so many. She will be deeply missed, but her light will continue to shine through the laughter and love she gave us all.”

Born on Dec. 14, 1946, in Los Angeles, Stewart had an extensive acting career. In her early acting days, in the 1970-’80s, she was a member of The Groundlings but continued as a pillar of that community over the years.

After originating the role of Miss Yvonne, The Most Beautiful Woman in Puppetland, onstage in 1981’s The Pee-Wee Herman Show, she continued with the character on the CBS Saturday morning program Pee-wee’s Playhouse, which aired from 1986-91. She reprised the role for a 2010 Los Angeles stage revival as well as a Broadway production, which opened in November 2010 at the Stephen Sondheim Theatre.

She recurred role as Charlie Kenny’s (Charlie Day) mother, Bonnie Kelly, on FX/FXX’s It’s Always Sunny in Philadelphia. Her final appearance on that was during season 16 in 2023.

Stewart’s other film and TV credits included American Graffiti, M*A*S*H, Husbands, Wives & Lovers, Madame’s Place, Laverne & Shirley, The Running Man, On the Television, Reasonable Doubts, Night Stand, Son of the Beach, Significant Others, Arrested Development, Curb Your Enthusiasm, 2 Broke Girls and Comedy Bang! Bang!

She is survived by her sister, Gayle Stewart.

Friend Cassandra Peterson, famed for playing the horror hostess Elvira, Mistress of the Dark, were among those paying tribute to Stewart on social media.

“My heart is breaking upon hearing the news of my dear friend @lynnestewart78 Lynne Stewart’s passing,” she wrote. “One of the kindest, sweetest, funniest women who ever lived. The iconic Miss Yvonne of Pee-wee’s Playhouse: She’ll always be ‘the most beautiful woman in Puppetland.’”

What was Lynne Marie Stewart’s breakout role?

Remembering Lynne Marie Stewart: A Legend in Laughter

Lynne Marie Stewart: A Lifetime of Laughter and Love

Actress Lynne Marie Stewart, best known for her roles in Pee-wee’s Playhouse and It’s Always Sunny in philadelphia, has sadly passed away at the age of 78. Her warmth, humor, and unforgettable presence have left a lasting impact on the world of comedy. We remember her life and career with fondness.

Finding Joy in Puppetland

From The Groundlings to Pee-wee’s Playhouse, Stewart’s career was marked by iconic roles. At The Groundlings,she was a pillar of the community,and her origin of Miss Yvonne,The Most Beautiful Woman in Puppetland,was a standout creation.

“Miss Yvonne was born on stage in 1981, and from there, she took over our lives,” said a fellow Groundling. “Lynne brought a unique elegance and charm to every role she played. She truly was the most beautiful woman in every world she inhabited.”

Legacy in Television and film

On screen, stewart’s diverse career spanned decades. From American Graffiti to Arrested Progress, her extensive credits include memorable roles in M*A*S*H, Laverne & Shirley, and On the Television. Most recently, she delighted fans as Bonnie Kelly in It’s Always Sunny in Philadelphia.

remembering Lynne: A Personal Reflection

Cassandra Peterson, best known as Elvira, Mistress of the Dark, paid tribute to Stewart on social media. “My heart is breaking upon hearing the news of my dear friend Lynne Stewart’s passing,” she wrote.”One of the kindest, sweetest, funniest women who ever lived. The iconic Miss Yvonne of Pee-wee’s Playhouse: She’ll always be ‘the most beautiful woman in Puppetland.’ “

– Cassandra peterson

Looking Ahead: Lynne’s Enduring Legacy

Stewart leaves behind a sister, Gayle Stewart, and a comedy community forever changed by her warmth, humor, and unforgettable presence. Her light will continue to shine through the laughter and love she shared with the world, inspiring new generations of comedic talent.

Tell us your favorite Lynne Marie Stewart memory or character in the comments below.