The Duchess of Cambridge has always known what "dress to kill" means and, last year, she nailed every dress, coat, and accessories that she wore on various occasions. Check out some of Kate Middleton's most expensive outfits in 2016.

05. Cream Gown

Approximately $3,710, Kate Middleton attended a gala on June wearing a Jenny Packham Cream Gown that stunned audiences. While the Duchess of Cambridge is praised around the globe for her thrifty eye when it comes to casual dresses, she was in with the crowd when she attended the event for the East Anglia's Children's Hospices.

04. Light Blue Coat Dress

In a special June event, Kate Middleton made sure to impress not just the journalists who attended the gathering, but also the royals. Prince William's wife donned a Catherine Walker light blue coat dress tagged at $3,957.28. The event was part of the celebrations for Queen Elizabeth's 90th birthday.

03. White Lace Dress

Lace is in! The Duchess of Cambridge attended the Royal Ascot's second day wearing a Dolce & Gabanna white lace dress that took the attention of many. According to ELLE, this could be the same dress she wore during one of the Queen's 90th birthday celebration events though it appears to have been worn under a Zara blazer that cost only $61.82 - a staggering swoop to the D&G lace dress that boasted a $4,428.23 price tag.

02. Navy Gown

While in India, Kate Middleton proved that she could definitely dress to impress for royal duties. On April 10, she donned a Jenny Packham navy gown that was custom-made especially for the Duchess of Cambridge. The $4,428 gown was of course meant for the socialite Bollywood gala that she graced in Mumbai.

01. White and Red Dress

In September, the Duke and Duchess of Cambridge visited Canada with their children. Princess Kate, when she arrived, already grabbed the attention of the media. She wore an Alexander McQueen white and red Broderie Anglaise dress that cost approximately $5,100.

How Much Did the Duchess of Cambridge Spend for Her Wardrobe Last Year?

According to The Daily Mail, Kate Middleton may have incurred about £174,170 or approximately $214,788 for the outfits she donned in 2016. Last year, it was reported that she spent only around $53,509.