Taylor Swift & Her Squad Just Want to Have Fun

We know Taylor has no shortage of besties to celebrate her birthday with. (You mean you're not best friends with Kelsea Ballerini, Blake Lively, Selena Gomez and every other famous person you idolize?)

KELSEA

There's nothing like a good girls' night in! For Swift and Ballerini, that means curling up in the window seat for coffee and convo – and since they're both musical superstars, we assume a little bit of songwriting went down as well.