While it may not be keeping us all up at night, we've got to admit that the rumored Swift/Kloss drama is quite intriguing. For years, it seemed that the two were inseparable, celebrating major holidays together , posting cheery birthday messages for each other, and appearing on the cover of Vogue together. But, recently, there seems to be a chill in the air as Kloss and Swift have noticeably been absent from each other's lives, save for this throwback birthday selfie.