The 36-year-old, is the tallest female in the British Royal family, including the Duchess of Sussex, Meghan Markle, who is shorter than her sister-in-law, standing at 171cm tall.
Prince William is taller than his wife, he's 191cm tall, while Prince Harry is slightly shorter than his brother at 186cm.
It's no secret the young royals tower over their grandmother the Queen; Her Majesty is petite at 163cm tall.
Duchess Catherine uses her height to her advantage, particularly in the way she dresses. Kate often bares her slim long legs -- clad in stockings, of course -- in A-line dresses.
Duchess Meghan on the other hand, often wears tailored cigarette pants which give her legs the appearance of being a little longer than they are.
The Duchess' late mother-in-law Princess Diana, was taller that both women. The graceful fashion icon was 178cm tall.
Who is the tallest British royal in history?
The tallest measured British monarch was Edward IV, whose skeleton measures 194cm.