By Zara Woodcock Ant McPartlin and Declan Donnelly have revealed all the big names taking part in the fun and chaos of the final Saturday Night Takeaway. The popular entertainment show is back for its final outing on Saturday night after Ant and Dec confirmed the ITV programme would be taken off our screen following the 20th series for the foreseeable future. The duo know they’ve got to say goodbye in style – so what better way to kick things off than by bringing in all the celebrities they have pranked in the past? While appearing on The One Show on Thursday evening, Ant and Dec discussed one…