“House of Gucci” for the whole length of filming.The Oscar winner, 35, went full-on into method acting to help her capture the essence of the disgraced former member of the Gucci family.Gaga revealed in a profile for British Vogue that she spent almost a year perfecting Reggiani’s Italian accent for the drama.The singer embodied Reggiani by dyeing her hair brown, taking up photography and talking with an Italian accent for nine months.“It is three years since I started working on it,” Gaga said.