And, as usual, the pair looked like they were having a LOT of fun together...
In a new picture shared by Olly, the co-presenters joined judge Nick Grimshaw for a goofy selfie from behind the scenes of the talent show.
And Caroline, 35, showed no signs of being poorly in the funny snap. In fact, she looked gorgeous as always!
Earlier this week, the TV presenter and author had been ill in bed battling a nasty cold.
Reports even suggested the star was too sick with the flu to take part in the first live shows of The X Factor, which kick off this weekend.
A source had told the Daily Star: "[Caroline] hasn't been feeling well this week at all, and the timing couldn't be worse, with the first live performances this weekend.
"She has been resting at home and doing everything she possibly can to recover in time to make it on stage with Olly... But at the moment it is touch and go, and it is a worry for everyone."
However, her spokesperson told Metro: "Caroline will not be missing this weekend's X Factor, and is on fine form. She had one day off with a bad cold but is now fit and excited for the live shows."
We're glad Caroline is back on form!
The judges have handpicked their final 12 contestants, so this weekend will see them take to the stage for their very first live performances.
Eek! We. Can't. Wait.
X Factor's most shocking moments:
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