The Call The Midwife star, 40, looked incredible in a tight fitting leather pencil skirt and tight grey bodysuit ... The star was joined on the red carpet by Harry Potter actor Alfred Enoch ...
In one of the pictures, the artist was spotted wearing a red corset top with a short skirt. Meanwhile, she also shared a few other stylish and sultry outfits, which looked equally eye-catching.
Criss walked the red carpet with Christian Siriano ... The actor, 37, showed up to the fashionable event wearing a fuchsia tulle skirt with flower detail and a cropped black tuxedo jacket ...