The Vacancy actress was accompanied by her director husband Len Wiseman and their 8-year-old daughter Lily.
It was recently announced that Kate and Len, who teamed up for the Underworld movie series, will not be a part of the much-awaited third installment, a prequel to the first two.
Reuters reports, "British actress Kate Beckinsale, who starred in the first two "Underworld" films, will not return for the upcoming third installment in the fantasy franchise."
"Underworld creator Len Wiseman, who directed his wife Beckinsale in the first two films, will hand over the reins to Patrick Tatopoulos, who created the creature effects for those films."
Enjoy the pictures of Kate and family out trick or treating (October 31).
