In 2014, Taylor Swift wrote "You Are In Love" about two of her besties, Jack Antonoff and Lena Dunham. Here's everything Swift has said about the song's inspo.

"You Are In Love" features on Swift's 1989. The blockbuster album is rife with odes to love via the lens of rose-colored, retro romanticism.

So “You Are In Love” isn’t just a gorgeous song, but a handy time capsule for Swift’s personal and professional life in 2014. Sadly, Dunham and Antonoff ended their five-year relationship ...