The 6th Friend (2016)

Directed by Letia Clouston, The 6th Friend is a 2016 American slasher horror film starring Jamie Bernadette, Chantelle Albers, Dominique Swain, and Jessica Morris.
The story follows six college best friends who throw a private graduation party, only for the night to take a deadly turn when an uninvited guest arrives. Five years later, the group reunites, but their past horrors resurface, leading to another night of terror and bloodshed.
With its tense atmosphere, psychological twists, and eerie masked killer, The 6th Friend premiered on January 11, 2019, receiving mixed reviews—praised for its female-led cast, but criticized for its predictability.