Angelina Jolie "lost [her] voice" following the death of her mother.
The 49-year-old actress had to rediscover her vocal abilities when she took on the leading role of legendary opera singer Maria Callas in the new biopic 'Maria' but revealed that she had "locked it away" after she lost her mother Marcheline Bertrand, who died in 2007 at the age of 56 following a battle with cancer.