Caroline Rhea

Caroline Rhea

Caroline Rhea, who played Hilda on "Sabrina, the Teenage Witch," plans to conjure up a baby.

The actress and her longtime boyfriend, Costaki Economopoulos, are expecting their first child together, reports People.

Like Rhea, 44, Economopoulos is a stand-up comedian who has written for "The Tonight Show" and a few shows on BET. He recently qualified for the World Series of Poker.

Besides "Teenage Witch," Rhea is best known for being the first host of NBC's "The Biggest Loser" reality competition show for three years. She currently lends her voice to the Disney Channel cartoon "Phineas and Ferb" and will co-star with Rue McClanahan and Olivia Newton-John in Logo's upcoming series "Sordid Lives," premiering July 23.