Taylor Swift seemed to have let loose at Brittany Mahomes’ 30th birthday party.

One of Mahomes’ pals, Cass Greinert, shared more photos Thursday from the country-themed weekend celebration — one of which showing the pop star sipping on a martini alongside Mahomes’ group of friends.

Other snaps included Mahomes’ gal pals enjoying a boat day, dancing in cowboy hats and doing karaoke.

“XOXO, take us back to Nashville. ✨” she captioned the carousel of snaps .

The mom of three flew out her besties on a private jet for the weekend of festivities that took place last month. The itinerary included several events including an all-pink birthday brunch, which the singer had to skip .

Swift, 35, was previously pictured cuddling up to the birthday girl during the dinner at a Nashville

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