When offduty she is known for her classic, conservative style.
But Naomi Watts showed her saucy side as she got into character as a prostitute on set on Wednesday, sporting a pink halter top to coordinate with her crayon-coloured hair.
The 44-year-old Australian actress completed the trashy look with a cut-off jean skirt, brown fur vest, and silver sandals as she filmed her upcoming project St Vincent De Van Nuys in New York.
It was a busy day for Naomi - who was spotted in two costumes - showing another side to her character, the blonde star slipped into an army green one-piece that tied around her waist to give her some shape.
*More tagless HQ photos [HERE]