Voted the UK’s best Dolly Parton impersonator four times running by the Agent’s Association of Great Britain – and the only Dolly Parton impersonator to be endorsed by the Parton family – West End star Kelly O’Brien regularly performs as the larger-than-life country legend in The Dolly Show. Australian-born Kelly brilliantly captures the voice and warm, ‘down home’ personality of the little lady from Tennessee – something that became immediately apparent when I asked her to “do the voice”. Listening to Kelly speak as Dolly, it was uncanny just how much she sounded like one of the world’s best-…