Emma Thompson & Fionn Whitehead Premiere 'The Children Act' in NYC!

Emma Thompson suited up for the premiere of The Children Act!

The 59-year-old actress hit the red carpet at the event on Tuesday night (September 11) at Walter Reade Theater in New York City.

PHOTOS: Check out the latest pics of Emma Thompson

She was joined at the premiere by her co-star Fionn Whitehead as well as writer Ian McEwan and producer Duncan Kenworthy.

Other attendees included Diane Sawyer and Audra McDonald.

The film follows a judge who takes on a case involving a teenage boy who is refusing a blood transfusion on religious principle.

The Children Act hits theaters on September 14th and is available now on DIRECTV.