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

Last year, Kate Middleton reportedly spent more on her wardrobe than ever before, and Meghan Markle could follow suit.

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.

While visiting the German Cancer Research Institute, Middleton wore a Jenny Packham dress paired with a a Russell & Bromley handbag — totaling $1,424.

At the National Portrait Gallery gala in March, Middleton wore a $1,740 outfit.

This white dress, by Polish designer Gosia Baczynska, was part of a $1,950 outfit.

She wore a green, printed Prada dress with this $2,340 outfit to the Diana Memorial Garden.

This $2,863 outfit was made up of a Gucci dress and Emmy London bag.

She wore a green Catherine Walker coat, part of a $3,400 outfit, for St. Patrick's Day.

At the UK-India Year of Culture event she wore a $3,475 outfit that included an Erdem dress.

This bespoke Catherine Walker coat, which she wore on a trip to Germany, was part of a $3,754 outfit.

This bright red Alexander McQueen dress, paired with Prada suede heels and Simone Rocha earrings, was $3,774.

In November, she wore a $4,081 outfit with a signature Dolce & Gabbana coat.

This white lace Alexander McQueen dress was a part of a $4,358 outfit.

This shimmery blue Jenny Packham dress was a part of a $4,684 outfit.

Another blue Jenny Packham dress made the list as part of a $5,570 outfit.

During a visit to Luxembourg, she wore a $6,022 outfit that included an Emilia Wickstead coat dress.

This black, Alexander McQueen dress was part of a $6,211 outfit.

At the BAFTA Awards, Middleton wore one of her favorites again — Alexander McQueen — in an outfit that totaled $10,605.

At her sister's wedding, Middleton wore yet another Alexander McQueen dress, with Kiki McDonough earrings, totaling $14,014.

Finally, Middleton's most expensive outfit of 2017 was this one — totaling $17,277.