Gwen Stefani doesn’t think she would make it past the first round of ‘The Voice.’ The 53-year-old pop star has served as a judge on the US version of the NBC talent show – which sees auditionees perform a blind audition with the coaches facing away from them in the hope that they will turn round and put them through to the next round – but explained that she would “never get through” if she was trying out. She said: “I can answer that already. I would never get a chair turn, there’s no way. Because this is the thing about ‘The Voice’. The whole thing is just, it’s very different than watching …