The 32-year-old actress was joined by her boyfriend Garrett Hedlund to celebrate the holiday festivities.
Kirsten was wearing a Band-Aid on her face, but no telling if it was part of her costume.
The day before, Kirsten donned her signature “Radarte” t-shirt while heading to her car with a bag after a gym session in Studio City.
10+ pictures of Kirsten Dunst and Garrett Hedlund together on Halloween… More Here! »