20 Movies That Could've Been Horror Movies

6. Spencer

The Princess Diana biopic Spencer examines the perils of fame and public profile with an uncommonly anxious vibe, director Pablo Larraín taking every opportunity to show how Diana (Kristen Stewart) felt boxed in by the demands of royal life.

With Diana spending the bulk of the story sequestered at the ornate-yet-cold Sandringham House as her existential crisis takes full hold, it's easy to make comparisons to Kubrick's The Shining.

Even away from the leering gaze of the public, Diana is of course subject to intense scrutiny from the royals and their staff, ensuring that no matter the generous size of her dwelling, she's boxed-in at every turn.

And it gets dangerously close to ghost story territory at times, especially when Diana hallucinates the ghost of Anne Boleyn and imagines herself eating a pearl necklace in her soup.

The result is a film that puzzled more casual-minded audiences expecting a down-the-line Diana biopic, yet which proved unexpectedly appealing to those who appreciate experimental, genre-adjacent fare.