Helen Mirren Twirls in Lace at 'Unknown Girl' Cannes Premiere

Helen Mirren shows off her gorgeous look while attending the premiere of The Unknown Girl held during the 2016 Cannes Film Festival at the Palais des Festivals on Wednesday (May 18) in Cannes, France.

The 70-year-old actress was joined on the carpet by French actress Vanessa Paradis and race car driver Lewis Hamilton.

PHOTOS: Check out the latest pics of Helen Mirren

The Unknown Girl follows a doctor who attempts to uncover the identity of a patient who died after she refused her treatment.

20+ pictures inside of Helen Mirren and others at the premiere event…