Former professional boxer Amir Khan has vowed to be a lot tougher in the South African camp as he wants "to go all the way" this time on the show.The 35-year-old sportsman is one of the nine all-star celebs that have been announced to join I'm A Celebrity... South Africa which will start on Monday, 24 April after originally coming in fifth place on the 17th series of the show in 2017. Speaking ahead of his entrance into camp, Amir explained one of the main reasons why he signed up to the South African version of the show is that he wants to have another shot at the Bushtucker trials.