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?)

LENA

Friend – or fan Girl? Girls star Dunham enjoyed her backstage access to Swift's March tour stop, which she dubbed the "most life-affirming thing I've experienced (NOT hyperbole)." Before heading to Newark, N.J., to catch the show with her crew (including model Jessica Stam), Dunham praised the Red singer on Twitter, "If [Swift had] been here when I was in college, I would have written papers on her, not Sylvia Plath."