The blog, featuring photos of the 11-year-old in distinctive outfits and her commentary on the latest fashion trends, began drawing nearly 30,000 readers each day.

She made overseas fashion-related trips to Tokyo and Antwerp, funded by Pop magazine,[4] and was commissioned to write articles for Harper's Bazaar and Barneys.

She styled a shoot for BlackBook magazine,[4] acted as a muse and model for Rodarte's clothing line at Target stores,[4][12] and partnered with Borders&Frontiers to design and sell her own T-shirt.

[14] Sarah Mower of The Daily Telegraph, while conceding that Gevinson had a "truly independent, original voice", criticized her father for taking her out of school "to go to haute couture shows ...

"[17] Her personal style also became less outlandish: "Before, dressing up was my outlet, and now I'm pursuing other creative things that take up a lot of time and energy, so in the morning I usually want to put on something simple and comfortable.

[28] That year, she voiced a character in the animated short film Cadavar, which was directed by First Bass's Jonah Ansell and co-starred Kathy Bates and Christopher Lloyd.

[32] In 2015, she made a guest appearance as Feather McCarthy on "Beware of Young Girls", the seventh episode of the American comedy horror television series Scream Queens.

[36] She then made a guest appearance on The Nightly Show with Larry Wilmore on a panel critiquing Sean Penn's Rolling Stone interview with El Chapo.

During the 2012 US presidential campaign, Gevinson supported Barack Obama,[41] and appeared in a public service announcement for women's rights, mouthing the words to Lesley Gore's "You Don't Own Me".

She organized a get-well-soon-card drive for Malala Yousafzai, the fourteen-year-old Pakistani girl whose campaigning for education rights led to her shooting in October 2012.