Abergele this autumn amid the coronavirus pandemic, and it's a very special occasion for I'm a Celebrity as it will be celebrating its 20th series on ITV.It's no surprise that it's difficult to remember who previously won, so here's a reminder of all the winners.There's been rumours that producers want former contestants to return to mark the anniversary, so could some of these past winners be preparing for another stint on the show?The first series of I'm a Celebrity was broadcast on ITV