Charli XCX has told RTÉ Entertainment that she "freaked out" the first time she and Camila Cabello joined Taylor Swift on stage during her Reputation tour.

Taylor is set to take to the stage in Croke Park on Friday and Saturday, with Charli XCX and Camila Cabello opening for her, and fans will see the trio join forces for one song on the night; a choreographed performance of Shake It Off.

"I would definitely say my performance is the most raw out of the three of us, I mean Camila and Taylor are such incredible performers and they're really amazing dancers and each night we go on stage and perform Shake It Off with Taylor," Charli told RTÉ Entertainment.

"I remember the first night I was just freaking out because I'd never done a dance routine live before, it's just not my thing, it's not where I come from, I've never really done that. So I was like freaking out, I was worried that I was f***ing up and Camila was like dragging me around the stage."

Charli XCX, Camila Cabello and Taylor Swift Shake It Off

"I've got it down just enough now for it to not be terrible so that's all, but yeah, my show, I'm first on, it's probably the most stripped back and energetic."

Taylor has been in Ireland for the last few days and posted a photo of herself performing on Instagram, with the caption, "DUBLIN!! I can’t wait to play for you on Friday and Saturday!"

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While Taylor has been keeping her movements in the country under wraps, Charli is set on visiting one particular Dublin restaurant while she's in town.

"I'm so stoked, there's this restaurant called Crackbird that I like dream of, dude, that is f***ing good fried chicken," she said.

"I'm really looking forward to that - and the shows of course - but mainly the fried chicken."

Click here for all you need to know about Taylor Swift in Croke Park