In W's annual Best Performances issue, out this week, Editor at Large Lynn Hirschberg–and resident Oscars soothsayer–selects the year's best actors and actresses, a wildly exciting group that features Emma Stone, Natalie Portman, Ruth Negga, Michelle Williams, Nicole Kidman, Amy Adams, Adam Driver, Viggo Mortensen, Mahershala Ali, Matthew McConaughey, Joel Edgerton and Casey Affleck.