Before taking the stage in Phoenix, Arizona for her Reputation Stadium Tour, Swift posted a video of Perry's peace offering, which included the olive branch and a note, along with the caption "Thank you Katy."
"So I just got to my dressing room and found this actual olive branch," Swift says in the Instagram video. "This mean so much."
While we can't see the full contents of the note Perry sent, you can make out the first bit. "Hey Old Friend," the letter begins. "I've been doing some reflecting on past miscommunications and the feelings between us. I really want to clear the air…"