Sarah Ferguson is showing off her impressive weight loss!

The 57-year-old royal hit the red carpet with her daughter Princess Beatrice, 28, in NYC on Monday, Nov. 21 — and we can’t get over how stunning Fergie looks in the new pics!

Sarah in 2013 (left) and 2016 (right).

In a previous interview, Sarah revealed she recently lost nearly 50 pounds by adhering to a strict diet and exercise regimen.

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“I got to a point where I just couldn’t bare looking at myself any minute longer,” she told Matt Lauer on Today. “I was 190 pounds a year ago and I was miserable. You look at the top of the mountain, you think you’re never going to get there.”

Click through the gallery below to see more stars’ weight loss secrets!

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