Elizabeth Olsen in Saint Laurent. Photo by Getty Images.
Elizabeth Olsen in Saint Laurent. Photo by Getty Images.

Who: Elizabeth Olsen

Where: The premiere of her new film, “The Avengers: Age of Ultron,” in London.

When: Tuesday, April 21st

What: A Saint Laurent Spring 2015 cape dress and embellished black sandals.

Why: There’s a time and a place for a cape dress, and it’s at the premiere of the new “Avengers” movie. Well played, Olsen.