Mackenzie Phillips

Mackenzie Phillips, right, was thin during her days on "One Day at a Time," although she filled out some later in life. Here, she's shown with actresses Valerie Bertinelli, left, and Bonnie Franklin, who were her co-stars on the TV series, at CBS' 75th anniversary celebration on Nov. 2, 2003, in New York.
Louis Lanzano/AP
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