Taylor Swift Celebrated Turning "Thir-Tay" With a Holiday-Themed Birthday Bash — See the Pics!

Happy birthday, Taylor Swift! The "Lover" singer celebrated her 30th birthday on Dec. 13. After a performance at New York City's Jingle Ball, she rang in another year with a few of her closest friends. The guest list included Halsey, Camila Cabello, Gigi Hadid, the band 5 Seconds of Summer, Ryan Reynolds, Blake Lively, Jack Antonoff, Antoni Porowski, and more. How fun!

Once the festivities wound down, Taylor shared a few snaps from the night on Instagram. "Honestly spending my 30th with the fans who have made my life what it is at jingle ball," she wrote in a caption. "Then throwing the most aggressive holiday party known to womankind . . . I just . . . seriously feel so lucky for you all and will spend forever trying to find ways to say thank you." Aw!

Antoni shared a snap from the night on Instagram as well, writing, "30 THIR-TAY 30."

Here's to another year full of magic and good music for Taylor. Check out photos from her party ahead.