Lynne Marie Stewart, Miss Yvonne on ‘Pee-wee’s Playhouse,’ Dies at 78

Lynne Marie Stewart, known for her roles as Miss Yvonne on “Pee-wee’s Playhouse” and Bonnie Kelly on “It’s Always Sunny in Philadelphia,” passed away at 78 from cancer. With a career spanning six decades and nearly 150 credits, she was a versatile actress who also appeared in Pee-wee Herman films. Stewart, a Groundlings alumna, credited the improv group for preparing her for success on “It’s Always Sunny.”

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