Nathan Evans got to take part in Ant and Dec's Saturday Night Takeaway for the 'end of the show show'.During the grand finale of the show, Nathan was joined by Ant and Dec on stage as they sang along to special lyrics of Wellerman's Sea Shanty which was tailored to the show.On the big screen, many celebs joined in virtually including Joan Collins, Laura Whitmore, Brian May, Chris and Rosie Ramsay, Drag Race's Lawrence and many more.On his Instagram, Nathan said: "Can't actually believe I'm on