Anne Hathaway’s upcoming role in Mother Mary was, she said, among the hardest she’s ever taken on, with director David Lowery recalling a scene that caused the Devil Wears Prada alum to break down.

The actress, 42, looked effortlessly cool in a pair of wide-legged jeans featuring an eye-catching chain-link pattern and a slew of daring cutouts to flash a glimpse of her toned legs.

Prep for the role involved almost two years of dance training as well as vocal training. Hathaway sings — and sometimes ...