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(If you must know, they wereBarbieloafers with little Barbie charms.

Ahead, we unpack the eternal appeal.

princess diana sock trend

But thats not the only Diana outfit sparking some of the best summer-to-fall transition looks.

When paired with the white cotton socks, youve got yourselfthefootwear trend to follow for this fall and beyond.

(Plus socks keep your feet warm on chilly mornings, so theyre practical too.

Princess Diana wearing and sweatshirt, shorts, and thick socks

Anwar Hussein/Getty Images

Your mom would be proud.)

They need to be calf-lengthnot ankle- or knee-high.

(Diana was frequently seen in a brown-and-white pair that looks eerily similar to the classicG.H.

Olivia Rodrigo wearing a miniskirt and thick socks

Neil Mockford/GC Images/Getty Images

Bass Whitney, $175.

which I personally own and love.)

Gigi Hadid wearing socks and loafers

Stefanie Keenan/Getty Images for Miu Miu