"That Girl" began as a viral trend on
TikTok by a user sharing their objectives for the new year: eating more fruit and vegetables, and reading more books. In the spring of 2021, the term gained popularity and spread from TikTok to
YouTube,
Instagram, and
Pinterest through various formats including short form videos, extended
vlogs, and curated Pinterest boards. By 2022, videos on TikTok with the hashtag #ThatGirl had over 2 billion views. In a 2024,
Kaeli McEwen, a TikTok influencer known for contributing to the "Clean Girl" aesthetic, gave an interview for
Gotham magazine. In it she states that when she began on TikTok the
clean girl aesthetic was referred to as "That Girl", and that is still is. In a 2024 article in
Elle on the "clean or 'that' girl", Sakshi Rawte writes "It's no secret that this was the most-followed trend last year with over a billion views on social media", before calling for a "whoever-you-want-to-be-girl" who doesn't follow trends. == Criticism ==