“My 24th birthday was a Melbourne garden party,” Swift wrote in the caption.

“Thank you for all the birthday wishes!!”

“Bare feet in the sand on a Saturday,” wrote Swift of the Instagram-worthy moment.

56th GRAMMY Awards - Backstage And Audience

Kevin Mazur/WireImage

The duo put their culinary skills to the test in August 2014.

Lorde wrote on Instagram, “took a wonderful cooking class in rhode island alongside the already-super-good-cook, ms. ## Lorde

Lorde was really channeling her inner ’80s goddess in October 2014.

She posted this photo, saying, “an awesome guy took this tonight after the show.

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Taylor Swift/Instagram

#ELLAflickerbeat,” she wrote.

It was all about that California sun in January 2015.

In April 2015, Lorde was excited to be “reunited with the number 1s.”

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Taylor Swift/Instagram

Swift posted a similar shot, giving Lorde a shoutout for flying “across the world.”

Bobs, poolside hangs, and Jack Antonoff sum up their Coachella experience in 2016.

In November 2016, Swift threw her friend’s 20th birthday party.

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Lorde Music/Instagram

Lorde described it as “the best birthday party i’ve ever had.”

She also recognized her and Swift’s “3 magic years of best friendship.”

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Lorde Music/Instagram

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Taylor Swift/Instagram

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Taylor Swift/Instagram

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Lorde Music/Instagram

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Lorde Music/Instagram

Taylor Swift The 1989 World Tour Live In Washington DC - Night 1

Kris Connor/Getty Images

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Taylor Swift/Instagram

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Lorde Music/Instagram

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Taylor Swift/Instagram

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Taylor Swift/Instagram