By Mia O’Hare Amy Nuttall has taken back her husband Andrew Buchan, despite the devastating way she found out he was ‘cheating’. The former Emmerdale and Downton Abbey actress, 41, was left heartbroken when Andrew walked out on her last year. He moved in with actress and BBC crime drama Better co-star Leila Farzad, 42. Amy and Andrew got back together, however split again months later. It now appears the pair are back together once more. Andrew shares two children with Amy after they married 11 years ago. Leila was also married at the time of their alleged affair. Sources claimed last year tha…