Naomi Watts worked hard to get perfect Princess Diana features

and replicate the tragic British royal’s look,reported Contactmusic.

“I didn’t just want to appear like her,it’s also about the tone of her voice and the way she moved her face. It’s completely opposite of how I move my face. I move my face on the right-hand side and she moves hers to the left,” she said.

“I had to walk around with a cocktail stick in my mouth to paralyze the right-hand side of my face for weeks.”

The actress spent weeks trying to get Diana’s accent,confessing she was nervous about accurately playing the dead

royal.