Four I m a Celebrity ⦠Get Me Out Of Here! contestants were in so much pain that they had to receive medical attention after a shocking challenge on the reality show. In confronting footage provided to news.com.au, the stars were left shaking uncontrollably after the gruelling challenge with Jack Vidgen fearing he was close to passing out. In the challenge, four celebs (Grant Denyer, Jack Vidgen, Travis Varcoe and Pettifleur Berenger) were placed in tanks filled with ice water and had to continually swim to the bottom to pump a lever. The celebs in the ice water tanks. The stars were literally screaming in agony as their bodies began to shut down from the freezing water.