Rose Byrne in Osman. Photo by Getty Images.
Rose Byrne in Osman. Photo by Getty Images.

Who: Rose Byrne

Where: The premiere of her new film "Spy" in New York.

When: Monday, June 1st

What: A black Osman Fall 2015 dress and Brian Atwood sandals.

Why: The CFDA Awards wasn't the only place for fashion in New York on Monday night. In a cut-out ankle length dress, Byrne holds her own.