Aubrey Plaza conjured up some Halloween vibes ... wig in black with a 2000s-esque middle part. The hair blended in seamlessly with her black minidress and sheer cape, which she fanned out behind ...

On Saturday night, Aubrey Plaza attended ... actress had her new golden hair up in a stylish chignon, with a side part, bringing a touch of classic glamour to her black halter dress.

Aubrey Plaza has a new look! Plaza, 38, debuted her new blond hair on Nov. 19 ... She also wore a black Mônot halter dress with a dramatic low neckline and completed her outfit with a pair ...

Aubrey Plaza cast a spell on the red carpet when she debuted her new expensive blond hair color at the 13th Governors ... entrance in a plunging black Mônot dress, styled by Jessica Paster ...