Kate Middleton's best - and most expensive - style moments reveal what Meghan Markle's future could hold

While both Kate Middleton and Meghan Markle can, at times, dress within a more affordable price-range - some occasions call for the higher-end stuff.

Last year, Middleton reportedly spent more on her wardrobe than ever before - and now Markle has followed suit, wearing a $75,000 dress in her official engagement photos with Prince Harry, and a $9,638 outfit to the royal family's official Christmas celebration.

Ahead, a look at Middleton's best, and most expensive, outfits from 2017 - ranked from least to most expensive.