Kristen Johnston (Actor)

LOS ANGELES – MARCH 5: Vinyl Flooring and a Cartoon Bear Bonnie and Tammys friendship is tested when they take on a big project together. Also, the women worry about a fracture in their tight-knit group, on MOM, Thursday, April 22 (9:01-9:30 PM, ET/PT) on the CBS Television Network. Pictured (L-R): Kristen Johnston as Tammy and Allison Janney as Bonnie (Photo by Michael Yarish/CBS via Getty Images)

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