Princess Diana didn’t just make statements with her outfits.

Take, for instance, theinvention of the revenge dress in 1994.

Or her red knit sheep-patterned pullover, which is now headed to auction, perHarper’s Bazaar.

Princess Diana

Princess Diana Archive/Getty Images

This particular sweater became iconicnot just because it was fashion-forward.

Princess Diana

Tim Graham/Getty Images

Princess Diana and Sarah Ferguson

Princess Diana Archive/Getty Images