Over a week ago, Spencer headed out to Ibiza to enrol in boot camp and while there, he updated fans by telling them he was having an "amazing time" being put through his paces and going for hikes in the sunshine.
Now, it seems he has come to the end of his stay and Spencer marked the moment by crediting his time at boot camp for helping him to well and truly put his early I'm A Celebrity exit behind him.
Spencer had been a late arrival on the show, and viewers watched him enter camp alongside Ferne McCann and Vicky Pattison. He, however, only lasted two nights in the jungle and was removed after admitting to taking a steroids-based medication.
The reality star revealed he had been taking steroids as part of preparation for a charity boxing match that never took place in the end. He was supposed to gradually come off them ahead of his I'm A Celebrity debut, but later realised there was no time to do so.
After telling producers, they decided it would be best for him to leave camp, as it would be unsafe for him to stay. On his exit, Spencer apologised for disappointing friends, family and his fans.
Yesterday, he addressed what had happened and suggested he is now moving forward. Revealing he was headed home from boot camp, Spencer told fans on Instagram: "After my moronic mistake in November last year I've been working hard to be clean and healthy and have never felt better...
He added: "@no1_bootcamp helped me achieve my goals... Thank you for the amazing stay!! #Clean #Health."
Earlier this year, Spencer addressed speculation he had gone to rehab following his stint in the jungle, and revealed he actually went to Tanzania instead.
Spencer revealed he had wanted to spend some time away from the spotlight and decided to get involved with charity work.
In a candid interview with BBC Newsbeat back in March, he explained: "I did not go to rehab. I actually went to Africa. I wanted to selflessly do something and give back. I was in a muddled place. I found a building project in Tanzania to build a school for Masai children so more local kids could go to school in that area."
Spencer insisted that his use of steroids was the "most costly mistake" he has ever made and he was "devastated" when told he had to leave camp.
Since then, Spencer has expressed his desire to get "another shot" at I'm A Celebrity.
Last month, he told the Loose Women panel: "Ultimately I made a very stupid mistake, and it's my own fault and ITV did what they had to do and unfortunately I found myself of the plane home. I really hope one day to get another shot at it."
Follow us on Twitter @RevealMag for all your celeb, fashion and beauty news!
Fancy winning some GREAT prizes? Check out Reveal Competitions here!