By Emma Gritt Ant and Dec’s Saturday Night Takeaway left some viewers with a bad taste in their mouth. On last night’s show, presenters Declan Donnelly and Ant McPartlin, both 48, dressed up in monster costumes and acted out a story narrated by their special guest, Cat Deeley, 47. The pair bumbled onto the stage in their outlandish furry suits and took a seat at a fairytale inspired dining table as she narrated a “dread time story”. Sitting on an armchair, she told the story of two monsters called “Anty and Decky” and their favourite meal of “monster porridge”. Reading aloud, she made the vete…