And she wore her hair like this:
But apparently, the royal family weren't particularly down with her forgoing a traditional up-do. In a documentary about William and Kate's wedding (dramatically titled William & Kate: The Journey), reporter Ashley Pearson says "royal sources tell me that the royals indicated very strongly to Kate that they would prefer her to wear her hair up for this very special occasion. However, Kate had her heart set on wearing her hair down with long flowing curls, which is her favorite way to wear it, and actually William's favorite as well."
Kate ended up vaguely compromising with a half-up do, and TBH she looked amazing, so sorry not sorry.
This article originally appeared on Cosmopolitan.com. Minor edits have been made by the Cosmo.ph editors.