The Celebrity line up for a new all star spin off of The Island with Bear Grylls were first confirmed earlier this year.
Another 10 celebrities had signed up for the the second series of the survival reality series.
In aid of charity for Channel 4's Stand Up to Cancer campaign, the Celebrity Island with Bear Grylls sees a number of celebs dropped on an inhabited island.
Alongside a pair of camera crew - who are living in just the same conditions - the celebs arrived with just the clothes they're wearing and a handful of basic tools.
After four episodes, it has become enough for a number of celebrities who have decided to leave the Celebrity Island.
Here's who remains on the Celebrity Island 2017...
Celebrity Island with Bear Grylls' line up
Breaking Bad actor RJ Mitte QUIT
Olympian & broadcaster Iwan Thomas
Actor & Rizzle Kicks singer Jordan Stephens QUIT
Comedian Mark Watson QUIT
Actor Ryan Thomas
Former TOWIE star Lucy Mecklenburgh
Olympian & TV presenter Sharron Davies QUIT
Former Pussycat Doll Melody Thornton
Comedian & writer Shazia Mirza
TV doctor Sara Kayat.
In tonight's show, after enduring brutal storms and little food for three weeks, a medical check-up reveals the group are now dangerously underweight and could even be at risk of organ failure.
Later, Iwan Thomas decides to head into the mangroves on a secret night hunt to kill a caiman crocodile - but he ends up getting lost.
Then the mother of all storms strikes the island and the group is brought to its knees, with the stars fearing they're all going to die.
Mel and Lucy send an angry ultimatum to Bear's safety team for emergency blankets and handwarmers as the celebs face their worst night on the island so far.
The new series of Celebrity Island with Bear Grylls continues tonight with the fifth episode airing on Tuesday, September 26 at 9:15PM.
You can also catch up on Celebrity Island with Bear Grylls 2017 on Thursday nights and online on All4.