The 26-year-old singer attended the party at Delilah’s in West Hollywood, Calif. alongside Halston Sage, the Haim sisters, Karlie Kloss, her brother Austin Swift, and more pals. Watch video of them arriving below!
There were a bunch of other stars at the event, including Taylor‘s ex-boyfriend John Mayer. She famously wrote the song “Dear John” about him.
See photos of John dropping by the party in the gallery!