They finally buried the hatchet on their public feud after Taylor Swift asked her ex-nemesis Katy Perry to appear in her new music video, You Need To Calm Down.

And Taylor has now divulged the details of how they managed to regain their friendship after they began their dispute in 2014 when Katy apparently 'stole' some of her backing dancers from her Red tour.

The pop icon, 29, revealed during an appearance on Heart Breakfast on Wednesday morning that it was Katy that instigated their reunion, after sending an 'actual olive branch' on the first night of her Reputation Stadium tour in May last year.

The Bad Blood hitmaker revealed:

We reconnected a while ago. It started when she sent an olive branch to, like an actual olive branch to my tour – on the first day of my Reputation Stadium tour and I was like, that is not only really cool and really sincere, the note but like, very clever with sending an actual olive branch.