Photo by: Gregg DeGuire / WireImage

Sabrina, the Teenage Witch star Caroline Rhea and her longtime boyfriend, Costaki Economopoulos, are expecting their first child, her rep confirms to PEOPLE.

Rhea, 44, who next appears in the series Sordid Lives, premiering on Logo July 23, is due in the fall. Economopoulos is a stand-up comedian and recently qualified for the World Series of Poker.
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