Brandwave

Karen Millen vs Whistles:Which is more popular?

In September 2026, Whistles had more branded searches than Karen Millen among women's fashion brands in the United Kingdom. Whistles had about 110,000 branded searches, while Karen Millen had 90,500. Whistles made up 9.1% of all women's fashion brand searches we track, and Karen Millen accounted for 7.5%. When we asked ChatGPT and Google AI Overviews about women's fashion brands, Whistles appeared in two of the four answers and Karen Millen in none.

Among women's fashion brands in the United Kingdom in September 2026

Who do people search for more?

Whistles, about 22% more searches than Karen Millen

Whistles 110K searchesKaren Millen 90.5K searches

Who does AI mention more?

Whistles, mentioned in 2 of 4 answers, Karen Millen in 0

Whistles in 2 of 4Karen Millen in 0 of 4

Who does AI recommend more?

Whistles, the only one of the two named

Whistles first in 2Karen Millen never named

Follow Karen Millen vs Whistles and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top women's fashion brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Whistles was mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. Karen Millen did not appear in any of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Hobbs1st
  2. Reiss2nd
  3. Phase Eight3rd
  4. Jigsaw4th
  5. ME+EM5th
  6. Whistles6th
  7. Boden7th
  8. RIXO8th
  9. Mint Velvet–
  10. +1 more
  11. Karen Millen–
  12. +3 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Hobbs3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Phase Eight3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Reiss2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • ME+EM2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Whistles2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • RIXO2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Boden2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Jigsaw2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Mint Velvet0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Karen Millen0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+4 more

See every answer about women's fashion brands

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 27, 2026.

Is Karen Millen or Whistles more popular in search?

This chart shows how often people search Google for Karen Millen and Whistles by name. Each line represents a brand's share of searches for all 14 women's fashion brands we track, month by month, from searches in United Kingdom.

Karen Millen and Whistles among women's fashion brands in the United Kingdom, by month

Share of searches by month for Whistles, Karen Millen. The figures are in the table below the chart.

View monthly share of searches table
MonthMint VelvetReissHobbsME+EMPhase EightSézaneWhistlesKaren MillenRIXOMonsoonBodenJigsawBaukjenLK Bennett
Oct 202518%18%12.1%6.6%9.9%8.1%8.1%8.1%2%2.2%1.6%1.3%1.6%2.4%
Nov 202519.1%19.1%12.8%5.7%8.6%8.6%7%8.6%2.6%1.9%0.94%1.4%1.1%2.6%
Dec 202520.5%20.5%11.2%6.2%9.2%7.5%7.5%7.5%1.8%1.7%0.55%1.8%1.2%2.8%
Jan 202617.5%17.5%11.8%6.5%11.8%6.5%7.8%7.8%2.4%2.5%0.86%1.9%1.6%3.5%
Feb 202615.7%15.7%10.6%7.1%12.9%7.1%8.6%8.6%2.6%2.3%0.95%1.7%1.4%4.7%
Mar 202616.8%16.8%11.3%6.2%11.3%7.5%7.5%7.5%2.8%2.4%1.5%1.5%1.9%5.1%
Apr 202617.2%14%11.5%7.7%11.5%6.3%7.7%7.7%2.8%3%2.3%1.5%1.5%5.2%
May 202616.6%16.6%11.2%7.4%11.2%6.1%7.4%9.1%3.3%4.3%2.2%1.5%1.5%1.5%
Jun 202614.3%17.6%11.8%7.8%11.8%6.5%7.8%7.8%3.5%4.5%2.4%1.6%1.3%1.3%
Jul 202615.2%18.6%10.2%8.3%12.5%5.6%8.3%6.9%3.7%3.9%2.5%1.7%1.4%1.1%
Aug 202616.4%16.4%11%7.4%11%7.4%7.4%11%2.7%2.9%1.8%2.2%1.2%1.2%
Sep 202616.7%16.7%11.2%9.1%9.1%9.1%9.1%7.5%2.7%2.4%1.8%1.8%1.5%1%

How has the Karen Millen and Whistles comparison changed over the last 12 months?

3 findings

How did search popularity change for United Kingdom women's fashion brands in September 2026?

4 changes

  1. In September 2026, ME+EM overtook Karen Millen and Phase Eight to rank 4th among women's fashion brands in the United Kingdom, with 9.1% of the searches.

  2. In September 2026, Sézane overtook Karen Millen to rank 6th among women's fashion brands in the United Kingdom, with 9.1% of the searches.

  3. In September 2026, Whistles overtook Karen Millen to rank 7th among women's fashion brands in the United Kingdom, with 9.1% of the searches.

  4. In September 2026, Karen Millen lost share of searches among women's fashion brands in the United Kingdom, from 11% to 7.5%.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Karen Millen’s and Whistles’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Karen Millen

1 branded search term

  • karen millen

Whistles

1 branded search term

  • whistles

How the Brand Demand Index is measured

Other head-to-heads among women's fashion brands

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.

Start free