Janice Dickinson and Lynne Franks won nine meals for their fellow celebrities, in a 'Jungle Sweetshop' Bushtucker trial.
The bickering stars had to hold five "critters" in their mouths for 30 seconds. Each time they succeeded they won a meal for the camp.
Supermodel Janice and the PR guru argued as they joined presenters Ant and Dec for the trial.
Janice dedicated the task to Lynne saying that she would do her best especially for her. However her efforts were rebuffed by Lynne who stressed that the challenge was for everyone.
The treats they successfully held included a grasshopper, a Leaf Mimic and Goliath Stick Insects.
Janice gave up when the final insect, a Giant Burrowing Cockroach, was revealed.
She apologised for giving up, calling Lynne a "great sport".
Lynne held out an olive branch to her rival saying: "Don't apologise. Can I just tell you, you have done incredibly well so far."
Meanwhile ex-soap star Gemma Atkinson showed her humane side by preventing fellow campers from cooking a lobster they had found.