Celebrity Dakota Johnson Dakota Johnson Just Made a Case For the Instagram-Famous Gallon Water Bottle Hydro Flask who? By Kimberly Truong Kimberly Truong Kim Truong is a writer focusing on news, entertainment, and culture. She is a graduate of Fordham University. Her work has appeared on The Cut, Self, Refinery29, and BBC America. InStyle's editorial guidelines Published on March 8, 2021 @ 05:08PM Pin Share Tweet Email You've seen it all over Instagram. The New York Times has written about it. And now, designated Cool Girl Dakota Johnson is carrying it. If you weren't sold on giant gallon-sized water bottles before, Johnson might make you give them a second look. The actress was photographed on the set of her upcoming film Am I OK? this week, carrying an astronomical blue water bottle, which happened to be color-coordinated perfectly to her navy sweatshirt and blue jeans ensemble. Splash News Am I OK? also stars Tig Notaro (who Johnson infamously named as her favorite comedian over Ellen DeGeneres) and Sonoya Mizuno, and follows lifelong best friends Lucy and Jane, whose friendship is thrown after the latter announces a move from L.A. to London for a job. Though production was paused last month following a positive COVID-19 case on set, it looks as if things are back up and running. Dakota Johnson's Giant Scrunchie Is the Surprising Accessory We All Need Unclear what's more exciting — this movie, or the prospect of getting our own gallon jug.