It must really be the magic of that Markle sparkle. 

Ever since Meghan Markle and Prince Harry went public with their royal romance in 2016, the former Suits star-turned-Duchess of Sussex has become a global style icon. Whether it was their Royal Wedding in May or her first public appearance following the official announcement that the couple was expecting their first child, the world is always waiting to see what ensemble Meghan, 37, will be stepping out in. Sometimes to see if it adheres to royal style protocol, but mostly so they can quickly find it and buy it for themselves.

Given her skill at mixing high and low, as well as injecting menswear into some of her official outing looks, Meghan has had a major impact on the fashion industry, especially for the up-and-coming designers she chooses to put a spotlight on.

Around the Royal Wedding, all of the major designers who contributed to Meghan's looks saw a massive increase in their search traffic, per Elle UK. Stella McCartney, responsible for Meghan's much-gushed-over reception gown, saw a 3,000 percent increase in searched for their dresses, while Givenchy, who designed the custom wedding dress, saw their search increase 61 percent. 

Of course, it's not just Meghan's wedding looks that have inspired frenzy online hunts; a crossbody bag she carried on several occasions sold out, leading to a 3,000 person wait list. 

Remember her white coat she wore for their official photos after announcing their engagement? It crashed Line the Label's site, with the label eventually renaming the now iconic coat "The Meghan." 

Meghan Markle, Sold Out Items of 2018, The Year In...

Getty Images; Melissa Herwitt/E! Illustration

In fact, there's even a name for the impact Meghan is having on the fashion industry: "The Meghan Effect."

According to economists at Brand Finance, the mom-to-be was expected to bring pump 150 million pounds ($210 million) into the British economy from her fans attempting to copy her style. 

"Her style is effortless and accessible," Christine OBrien-Ross, who runs Megan's Mirror, a site dedicated to chronicling the Duchess' looks, told Glamour. "I don't have a chance to wear Jenny Packham gowns [a favorite of Kate Middleton] and satin shoes, but I can wear Hunter boots from Nordstrom and ripped jeans."

Basically, if Meghan wears it...it sells. 

"On average, if Meghan wears a designer, that brand will see a 200 percent increase in search demand over the following week," Yasmine Bachir, Lyst's (a global fashion search engine) senior communications executive, told Elle UK

And Meghan's impact is really felt when it comes to highlighting sustainable and eco-friendly fashion, proving you can be ethical and fashionable. 

"It's an incredibly important topic in the industry that everyone must address, so it's great to see a prominent figure like Meghan championing this movement," Net-A-Porter's Global Buying Director Elizabeth Von Der Goltz told Elle UK. 

Here are many of the items (dresses, shoes and bags, oh my!) that Meghan caused to sell out in 2018. Plus, we've looked to see which have been restocked just in time for Christmas...

Prince Harry, Meghan Markle, Sydney

Phil Noble/PA Wire

Prince Harry, Meghan Markle

Samir Hussein/Samir Hussein/ WireImage

Meghan Markle, Invictus Games

Dominic Lipinski/PA Wire

Meghan Markle, Prince Harry

DANIEL LEAL-OLIVAS/AFP/Getty Images)

Meghan Markle

Chris Jackson/Chris Jackson/Getty Images

Prince Harry, Meghan Markle, Sussex Visit

Samir Hussein/Samir Hussein/WireImage

ESC: Meghan Markle

Chris Jackson/Getty Images

Prince Harry, Meghan Markle, Invictus Games

Dominic Lipinski/PA Wire

Prince Harry, Meghan Markle

PHIL WALTER/AFP/Getty Images

Prince Harry, Meghan Markle, Australia Royal Tour, PDA

Samir Hussein/WireImage

Prince Harry, Meghan Markle, Duchess of Sussex, Fiji

Chris Jackson/Getty Images

Meghan Markle, Prince Harry, Invictus Games

Mark Cuthbert/UK Press via Getty Images

Meghan Markle

Samir Hussein/Samir Hussein/WireImage

ESC: Meghan Markle

Pool/Samir Hussein/WireImage

Meghan Markle, Prince Harry

Chris Jackson/Getty Images

Meghan Markle, Outfit, Macarthur Girls High School Visit

Pool/Samir Hussein/WireImage

Prince Harry, Meghan Markle, Duchess of Sussex, Invictus Games 2018

Dominic Lipinski/PA

Prince Harry, Meghan Markle, New Zealand Royal Tour, PDA

Dominic Lipinski/PA Wire

Kate Middleton, Meghan Markle, Wimbledon 2018

James Gourley/BPI/Shutterstock

Meghan Markle, Pregnant, Prince Harry, Royal Tour, Australia, Reception, Prime Minister

Paul Edwards/The Sun/PA Wire

Prince Harry, Meghan Markle

Mark Cuthbert/UK Press via Getty Images

Meghan Markle

Dominic Lipinski/PA Wire

Meghan Markle, Duchess of Sussex

Pool/Samir Hussein/WireImage

Meghan Markle, Prince Harry

Chris Jackson - WPA Pool/Getty Images

Meghan Markle, Prince Harry, Plane, Tonga Visit

Phil Noble/PA Wire

Prince Harry, Meghan Markle, CHOGM 2018

Associated Press

Meghan Markle, Bondi Beach, Australia, Day 4

Dominic Lipinski/PA Wire

Prince Harry, Meghan Markle, Duchess of Sussex

YUI MOK/AFP/Getty Images

Meghan Markle, Prince Harry

Ben Stansall - WPA Pool/Getty Images

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