Entertainment reporter Richard Reid lost the most, shedding an alarming 12kgs going from 96kg to 84kg.
While Home And Away's Luke Jacobz lost 11kg, taking him from 93kg to 82kg.
Love Island star Justin Lacko came in third weighed in at 79kg after losing 10kg.
Shane Crawford weighed in at 83kg after dropping 8kg.
News reporter Natasha Exelby went from 61kg to 56kg, losing 5kg.
And Angie Kent shrunk from 56kg to 53kg.
Gogglebox star Yvie Jones, 48, opted not to take part in the weigh-in, explaining to the group that she had an eating disorder and didn't want to weigh herself.