I wrote this song called ‘This Is What You Came For’ that Rihanna ended up singing,” she said at the time. “And nobody knew for a while.

This isn’t the first time Swift has performed the electro-pop song. In late 2016, she sang “This Is What You Came For” while on the piano during a show at the Formula 1 Grand Prix in Austin.

And the EDM elements of “This Is What You Came For” were way different from her usual style. Swift first used the faux name in 2016 before her split with the Scottish DJ was announced.

And her June 14 show in Liverpool, England, was especially electric with the Eras Tour debut of 2016's "This Is What You Came For" by Rihanna and Calvin Harris, who Taylor was dating at the time ...

Meanwhile, the original "This Is What You Came For" spent 32 weeks on the Hot 100 in the summer of 2016, peaking at No. 3 on the chart. It marked the second collaboration from Harris and Rihanna ...

This isn’t the first time Swift has performed the electro-pop song. In late 2016, she sang “This Is What You Came For” while on the piano during a show at the Formula 1 Grand Prix in Austin.