Olly broke many hearts earlier this year when he revealed he was leaving his role as Caroline's co-presenter on Xtra Factor, meaning we wouldn't be getting twice weekly doses of him on our TV screens.
But then it was announced last month that he'll join judge Gary Barlow as a guest mentor during the judges' houses stage of the show.
Not quite twice a week but we'll take it!
And it was at judges' houses that Caroline and Olly were reunited, as she interviewed him and Gary about the groups category.
Caroline shared a shot of them chatting (alongside her new co-presenter Matt Richardson) on Instagram, adding the caption: "Olly meets Matt xxx."
Olly joined Gary in New York to help him decide which three groups to bring through to the live shows. We'll get to watch them in action and discover the results on this weekend's judges' houses episodes.
Lucky Caroline has been jetting all over the globe filming Xtra Factor at the judges; houses: NYC for Gary, Antigua for Nicole Scherzinger, Los Angeles for Sharon Osbourne and the South of France for Louis Walsh.
Nice work if you can get it!
Check out some preview pictures from judges' houses below!