The actor plays a gay woman who must pretend to be her girlfriend’s platonic friend when she visits her family for Christmas in the new film Happiest Season.
She added that she recently had similar fears during a recent road trip.
Happiest Season, which also stars Mackenzie Davis, Aubrey Plaza and Alison Brie, has been dubbed a “delicate, relishable piece of Yuletide joy” by The Independent.
“I entered some, like, Trumpian territory, and I felt scared,” Stewart said.