California (BFT):The Geordie star, who was left in tears after the crowd booed her when she chose six acts at boot camp, said the whole process had been “emotional” but said narrowing those six down to three at the judges houses was “the worst”. The former Girls Aloud singer said: “It’s one on one, it’s personal, it’s like looking them in their eye and they are looking at you just saying ‘What is the answer?’. And you’ll try to explain. I’d been up all night the night before”.