And the truth is finally REVEALED!!!
[Image via Kylie Jenner/Instagram.]
OF COURSE Taylor Swift is one of the Girls!
Lena Dunham was spotted getting dropped off at Swifty's doorstep on Monday.
Gurl looked like she was packing enough for a sleepover, and OMG we just got so insanely jealous!
Ch-ch-check out the pics (below) for further proof that Taylor Swift really does know everyone!
[Image via Pacific Coast News.]