Gucci

The new film tells the story of love, betrayal and ultimately murder within the famous Italian fashion family.

The singer and actress plays Patrizia Reggiani, who served 18 years in jail for hiring a hitman to kill her former husband and label boss Maurizio Gucci.

"I used all of these memories, all of these traumas, all of these moments in my life," Lady Gaga told BBC News.

This summer, the star revealed she suffered a breakdown as a result of a sexual assault that left her pregnant more than 15 years ago.

The Harry Potter star, a well-known supporter of eco-friendly fashion, will chair Kering's sustainability committee after shareholders backed the move.

Kering has faced criticism over its sustainability record.

Former Credit Suisse boss Tidjane Thiam and the head of Chinese ride hailing giant Didi Chuxing, Jean Liu, were also made board members.

Ms Watson, who rose to fame playing Hermione Granger in the Harry Potter films, is known for wearing sustainable clothes from top-tier designers for red carpet events and other public appearances.