Bring on BGT! Check out these preview pics of week 5...Saturday 4 May at 11:22amQuite the dynamic duo...Is it a bird? Is it a plane? No! It's the high-flying Duo A&JPick a card, any card...Can you guess the pop legend?11 chairs stand between this man and his dream...What a voice Mark has! As does Rob King...wow! Rosie is in the silk trade...Watch Britain's Got Talent, Saturday 4th May at 8pm on ITV & STV.