These long-sleeved, demure gowns seem to be all the rage these days. Keira Knightley‘s gold tulle number had people split over whether it was gown … or a nightgown. We’re now asking you the same question about Olivia Wilde’s gown at the Butter premiere. We like this Grecian style on her with the light pleating and gold embellishment. But isn’t it something that Lady Marian would wear to seduce Robin Hood or something? We’ll leave the answers to you.
[Photo: Getty Images]