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Elle Fanning and Annette Bening Are the Cutest Pair at the Mill Valley Film Festival

Jane Asher

Credit: Steve Jennings/Getty Images

If it seems like Elle Fanning has been promoting her movies left and right these days, you would be correct. The 18-year-old actress is set to star in three movies before the end of this year, with four more coming out in 2017. Fanning was most recently spotted on the red carpet, along with co-star Annette Bening at the Mill Valley Film Festival where their latest film 20th Century Women, was screened.

Fanning dazzled on the red carpet in a feminine white dress with pink embellished panels and straps. She wore her blonde hair pulled back into a sleek bun, with minimal makeup for a fresh-faced look. Bening too looked gorgeous in a black dress under a black leather coat, with her red tortoise glasses adding a pop of color to the ensemble.

WATCH: Elle Fanning on Her Favorite Red Carpet Looks

In the movie, set in the late 1970s, Fanning plays Bening's young neighbor, whom she enlists, along with Greta Gerwig's character, to help teach her teenage son about women so that he will grow up to be a man who truly understands the opposite gender.

RELATED: Elle Fanning Stuns in a Beaded Lilac Gown at 20th Century Women's Hamptons Screening

We can't wait to see the coming-of-age film, along with the many others Fanning is starring in as they premiere over the next couple of months!