Fashion Trends on Instagram 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

#TopicGrowth (WoW)Posts (7d)Views (7d)
1belt+5092%251.1M
2suit+1569%121.5M
3new york+617%126.1M
4coat+369%472.1M
5linen+298%281.8M

See all rising fashion topics

Start free trial

Full rankings · every brand · every platform · updated weekly

Top fashion posts this week

  • New York, we’re here.
Alongside Eva Lys, discover Club Lacoste at @theplazahotel, where the spirit of the game meets eff

    Lacoste · Instagram · 4.3M views

  • Join Mariacarla Boscono and step inside Il Palazzetto Businaro, where stories of architecture, craftsmanship, and contin

    Carolina Herrera · Instagram · 2.4M views

  • Grab a Watch Party Kit on the app, get entered for a chance to win a trip to the Victoria’s Secret Fashion Show 2026.

    Victoria’s Secret · Instagram · 2.1M views

  • @NataliePortman takes us behind the scenes of Miss Dior’s craftsmanship, unveiling the savoir faire and precision behind

    Christian Dior · Instagram · 1.6M views

  • When night reveals the sublime. In the dark of night, SUBLIMAGE L’Extrait de Nuit works in perfect harmony with new SUB

    Chanel · Instagram · 753.5K views

  • Hiver 2026 Video by Massimiliano Bomba #Celine #MichaelRider @massimiliano_bomba

    Celine · Instagram · 743.8K 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.

Track every fashion metric, live

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 Instagram right now?

The fastest-rising fashion topic this week is "belt", up +5092% in views week-over-week with 1.1M views across 25 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.

Want these numbers in your inbox?