Katy Perry just ended her feud with Taylor Swift once and for all

As you may know, the olive branch is the age old sign of peace.

Taking a quick glance at Taylor's Instagram story, you'll notice that she's incredibly thankful for the peace offering. "Thank you Katy" she wrote on the video, showing the olive branch, and a signed card.

The card has a sticker of Katy's dog Nugget on it also - so there's no denying it's from her.

While we can't see what the blurry note reads, we can see it begins with "Hello old friend."

One Twitter user claims it reads: "Hello old friend— I’ve been doing some reflecting on past miscommunications and hard feelings between us. I really want to clear the air. —— I’m deeply sorry for..."