Lily Rabe revealed her pregnancy while cradling her baby bump on Saturday at a gala event in Los Angeles.

The 39-year-old actress and her longtime partner Hamish Linklater, 45, are expecting their third child together, a representative confirmed Sunday to E.

Baby bump: Lily Rabe revealed her pregnancy while cradling her baby bump on Saturday at a gala event in Los Angeles.

The American Horror Story star showed her maternity style in a black-and-white polka dot dress by Carolina Herrera that featured off-the-shoulder sleeves and big bows along the neckline.

Third pregnancy: The 39-year-old actress and her longtime partner Hamish Linklater, 45, are expecting their third child together, a representative confirmed Sunday to E.

Maternity style: The American Horror Story star showed her maternity style in a black-and-white polka dot dress by Carolina Herrera that featured off-the-shoulder sleeves and big bows along the neckline