Ending the year on a high, fashion fan Meghan climbed the ranks of annual fashion report the Lyst Index to hit the top spot.
She replaces Kylie Jenner at number one, having risen from third place last year.
The report analyses data collected throughout the year to reveal the biggest fashion trends.
It revealed that Meghan has sparked a 216% increase in searches for items similar to those that she has worn.
Meghan Markle was the most powerful dresser of 2019 and her outfits sparked, on average, a 216% increase in searches for similar pieces.
The report stated: "Meghan Markle was the most powerful dresser of 2019 and her outfits sparked, on average, a 216% increase in searches for similar pieces."
Meghan is the only royal to make the top ten.
Her sister-in-law the Duchess of Cambridge – who in 2017 was placed fifth – slipped to number 11 in the 2019 list.
The shirt dresses Meghan wore during her recent royal tour of Africa saw a 45% increase in searches for that style of dress.
While the royal also showed her fashion credentials as she guest edited fashion bible Vogue and launched her SmartSet capsule collection for Smart Works.
Last week an unseen photograph from the campaign shoot was released, showing the duchess laughing with her model pals.
Head to our Facebook page @EntertaimentDailyFix and let us know what you think of our story.