The fashion industry owes a lot to Jackie Kennedy.

Her fashion reigned supreme in the ’60s, no contest, and still inspires today’s trends.

Some ofKate’s best fashion momentshave been shaped by the “Jackie Effect.”

Jackie Kennedy smiling

Kate went for a monochrome look and paired a royal blue A-line coat dress with a matching hat.

But Meghan isn’t the only fashion trailblazer who appreciates this timeless look.

EvenMeghan’s minimalist wedding dressincorporates the boatneck neckline.

Kate Middleton at St. Patrick’s Day Parade

Meghan Markle smiling and shaking hands with woman