SAG Awards 2016: Saoirse Ronan, Rachel McAdams, Idris Elba

While “It” Girls Alicia Vikander, Brie Larson and Saoirse Ronan were among the SAG Awards newbies, others have practically grown up on the show's red carpet. “Another day, another gown,” quipped 16-year-old Kiernan Shipka, whose seven years on “Mad …