A doctor he'd previously met was luckily watching him and noticed his breathing was off.
The Queen of the Jungle has finally given a TV interview... and she didn't hold back.
Since entering camp, the former 'Keeping Up with the Kardashians' star has already faced two Bushtucker trials.
Even Piers Morgan wasn't as harsh on his guest as the normally cheery TV star was.
The TV presenter said it was tough that Cracknell's training always came first.
The former Spandau Ballet and Wham! performers have never made music together, despite having been a couple for almost 40 years.