Taylor shared several images of the New York party on her Instagram where she posed with her celebrity guests.

Stars including Gigi Hadid, Blake Lively, Jack Antonoff, Sabrina Carpenter, Gracie Abrams, Este Haim, Alana Haim, Zoë Kravitz and Antoni Porowski, among others, stepped out to Swift's party, as did her longtime friend Abigail Anderson — all of whom are pictured hanging with the "Karma" singer on Instagram, reported People magazine.

Sharing the images, Taylor wrote on Instagram: "Can’t believe this year… actually… happened? Thank you for all your beautiful birthday wishes yesterday."

The Grammy winner's boyfriend Travis Kelce was not in attendance at her birthday party, as People confirmed earlier this week that the football star would be in Kansas City for mandatory practices with his team, the Chiefs.

The couple celebrated her birthday early with friends in Kansas City at a holiday party on Sunday, where they were spotted posing with partygoers and exchanging sweet kisses in group photos throughout the evening, the magazine reported.