Caroline Gilchrist Rhea (born April 13, 1964) is a Canadian stand-up comedian and actress who was the original host of the reality television show The Biggest Loser on NBC until she was replaced by Alison Sweeney after the end of the third season. She is also known for her role as Hilda Spellman from Sabrina, the Teenage Witch, and for replacing Rosie O'Donnell as the hostess of her syndicated talk show, renamed The Caroline Rhea Show. Rhea provides the voice for Linda Flynn-Fletcher, the mother of Phineas and Candace Flynn, on the Disney Channel series Phineas and Ferb. Rhea was born and raised in Montreal, Quebec, the daughter of Marjorie, an antiques dealer, and David Rhea, an obstetrician and gynecologist. On the set of the sitcom Sabrina the Teenage Witch, the cast referred to her as Cathy, a name that has stuck with her in her comedic career. She has two sisters, Cynthia and Celia.
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