Michelle Dockery is one of our favourite actresses and we love her portrayal of Lady Mary Crawley in Downton Abbey. The stunning star is back with the show's newest film Downton Abbey: A New Era, and on Sunday evening, the 40-year-old took to the red carpet for the premiere in New York City. READ: Downton Abbey makeup - I tried the beauty products used on setThe star looked phenomenal in her sparkly silver dress by Givenchy.