Nicole Kidman has thanked fans for their support following her mother’s death. The 57-year-old actress was told her beloved mom Janelle Ann Kidman had passed away while she was in Italy attending the Venice Film Festival promoting her new movie ‘Babygirl’, and subsequently missed the film’s North American premiere in Toronto earlier this week as she was with her family, and she has now taken to Instagram to express her gratitude for the “outpouring of love and kindness” she’s received. Sharing three photos of Janelle, one solo portrait and two of her with Nicole and her sister Antonia Kidman, …