A social media star has helped develop the world's most advanced robotic arm - designed over four years with £2m research.<br /><br />Amputee singer and model Tilly Lockey, 19, from Newcastle, UK says she feels like a 'superhero' thanks to the new bionic technology.<br /><br />She lost both hands to meningitis as a baby but now has new robotic limbs which are twice as fast as others and the only in the world that are waterproof.<br /><br />Influencer Tilly says she can finally 'multi task' thanks to the 'Hero Pro' by Bristol-based robotics company Open Bionics who she has worked with since she was nine.