The 30-year-old actress is nominated at the Emmys this weekend for Outstanding Lead Actress in a Drama Series for her work on Orphan Black.
Also stepping out at the Mercedes Benz-sponsored event were Downton Abbey stars Michelle Dockery, Joanne Froggatt (with husband James Cannon), and Laura Carmichael. Their series is nominated for Outstanding Drama Series.
FYI: Tatiana is wearing a Mary Katrantzou dress. Michelle is wearing an Elie Saab jumpsuit and jacket. Lake is wearing a Preen dress, Sophia Webster shoes, and an Edie Parker clutch. Laura is wearing a Victoria, Victoria Beckham dress, Loeffler Randall shoes, and an Edie Parker clutch. Joanne is wearing Nicholas Kirkwood shoes and John Hardy jewelry. Piper is wearing Giuseppe Zanotti shoes.