I’m a Celebrity is back for its second legends series, set in South Africa. But the different camp location isn’t the only shake-up to ITV’s tried-and-tested format, as a huge change has been announced for the show.Hosts Ant and Dec welcomed 12 celebrities and former stars of the show back into camp last year, as the South African series is pre-recorded and set to air in April.While the cast obviously know everything that went down, from bushtucker trials to fireside rows, what they don’t yet kn