In the perfect fit, nothing else matters. @sadiesink_ in the 90s Straight Jean. The fit of the decade, renewed for now
Calvin Klein · Instagram · 30.3M views
Fashion Trends This Week (September 2026)
This week's fashion trends, based on which topics are gaining views fastest across brand channels.
Last updated · refreshed weekly from Submarine.ai data
Rising topics this week
| # | Topic | Growth (WoW) | Posts (7d) | Views (7d) |
|---|---|---|---|---|
| 1 | london | +53162% | 15 | 19.3M |
| 2 | shoes | +26386% | 19 | 9.2M |
| 3 | bag | +11653% | 8 | 574.6K |
| 4 | diversity | +11054% | 9 | 212K |
| 5 | venice | +5489% | 22 | 2.8M |
See all rising fashion topics
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Top fashion posts this week
A love like this was made to be shared. @aliciakeys introduces a love story untold – until now. New York in Moncler:
Moncler · Instagram · 23.1M views
Between reality and reverie. #MiuMiu #MiuMiuFW26
Miu Miu · TikTok · 15.5M views
London nights in Winter 2026 #Burberry
Burberry · TikTok · 9.9M views
Bold colour, 24h no-transfer and intense comfort, the new Rouge Dior On Stage Matte is @JennaOrtega’s ultimate ally for
Christian Dior · Instagram · 6.4M views
@brunobananiduft x @reezy. Limitierte Duftkollektion. Coming Soon 👀🔥 #brunobanani #reezy #limitededition #FragranceDro
Bruno Banani · TikTok · 4.6M views
Methodology
Submarine.ai tags every post from official brand channels with AI and measures topic momentum as week-over-week view growth (last 7 days vs the 7 days before). Topics shown here cleared minimum volume thresholds; figures are rounded. Updated weekly.
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Submarine.ai tracks millions of posts across YouTube, TikTok and Instagram. Subscribers get the full rankings, post-level analytics, topic intelligence and weekly trend alerts.
Start free trial →Frequently asked questions
What is trending in fashion on social media right now?
The fastest-rising fashion topic this week is "london", up +53162% in views week-over-week with 19.3M views across 15 posts, according to Submarine.ai's weekly measurement.
How are these trends detected?
Submarine.ai tags and analyzes every post from official fashion brand channels on YouTube, TikTok and Instagram. A topic counts as trending when its views grow sharply across multiple brands and posts. The growth figures compare the last 7 days to the 7 days before.
How often is this page updated?
Every week, from the latest full scrape of brand channels. Subscribers get trend movement daily, with per-brand and per-post breakdowns.