Mandy Moore's Pregnancy Announcement Accidentally Insulted Mother-In-Law

"This Is Us" star Mandy Moore was thrilled to announce her pregnancy to the world but telling her husband's mother didn't go quite as she had planned. To share the news, Mandy gave a birthday card to her mother-in-law calling her a grandmother, but it took her mother-in-law a minute to realize that Mandy was announcing a baby—and not just calling her old. Tune in for more with Mandy Moore.