October 2025 brings exciting TikTok trends to the USA. Users are embracing the Group 7 challenge, spooky Halloween jump scares, and fast outfit chang

Group 7’ is a viral TikTok trend started by musician Sophia James, whose seventh video in a series testing the algorithm unexpectedly blew up. The trend has since become an inside joke, with users proudly claiming membership and boosting her song “So Unfair.

Algorithms, by their very nature, are made to be manipulated; it's just not easy to figure out, experts say. But one L.A. singer managed to get her song played millions of times on TikTok with a clever strategy that has everyone wanting to be a part of 'Group 7.