The duo appear together in a new trailer appealing for contestants to audition for the 12th series.
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The clip reunites the pair for the first time since they last hosted spin-off show ‘The Xtra Factor’ together in 2012 and it’s clear to see that their famous chemistry is still there.
It was announced that they would be taking over from former host Dermot O’Leary last month, after the presenter announced he was quitting after eight years.
Olly and Caroline have also revealed how they landed one of the biggest job in TV, with the ‘Heart Skips A Beat’ singer telling The Mirror he was called to Simon Cowell’s house for a curry.
“He always said I was a big ambassador of the show and he wanted me to be part of it at some stage. But this year it was more formal, he asked me to dinner," Olly explained.
“We had a curry at his house! He asked if I wanted a curry and I said I love curry. So I go round to his house and he has all these amazing curries that have been home-made in his kitchens.”
Caroline added that she first met with Simon after she won ‘Strictly Come Dancing’.
"I thought he was going to offer me some kind of big new show! Then nothing happened afterwards and I was like, ‘Oh’,” she said.
“Then when Dermot left, it all happened really quickly. They asked if I would do the show with Olly and that, for me, was the biggest appeal. I don’t know if I’d have been brave enough to do it on my own, to be honest.”
‘The X Factor’ is set to return to ITV in the autumn.