The blow-dry style saw searches for ‘Kate Middleton hair’ rise by 321 percent above the average monthly volume.

In November 2013, Kate debuted highlights, causing the fourth highest spike in interest for her hair.

Interest for the Duchess’ hair rose 305 percent above the average search volume.

Kate’s fifth most influential hairstyle was in November 2012 when Kate showed off her curtain bangs for the very first time.