Keira Knightley turns heads in a goth glam corset dress at a screening of Boston Strangler in NYC

Knightley plays real-life reporter Loretta McLaughlin Knightley plays real-life reporter Loretta McLaughlin

Knightley stunned photographers as she arrived in a black puff-sleeve corset dress Knightley stunned photographers as she arrived in a black puff-sleeve corset dress

It highlighted her famously slender frame It highlighted her famously slender frame

Her shoulder-length brunette hair was softly curled and her eyes were amped up with a smoky blend of black and brown eyeshadows Her shoulder-length brunette hair was softly curled and her eyes were amped up with a smoky blend of black and brown eyeshadows

The mother-of-two stood on black platform heels and sported shiny ox blood nail polish The mother-of-two stood on black platform heels and sported shiny ox blood nail polish

She was captured strolling into the venue She was captured strolling into the venue

Coon's lustrous blonde hair was worn in voluminous curls Coon's lustrous blonde hair was worn in voluminous curls