She was found dead in her NY apartment yesterday.
Andy Spade said that his wife suffered from depression and anxiety for many years but there was "no indication and no warning that she would do this. A very tragic and sad ending to the life of a very colorful and delightful being".
Despite several attempts by Kate Spade's family to get her help, her pain was too much for her to handle, explained Saffo.
Law enforcement sources told the Associated Press she appeared to have died from a suicide, and she left behind a note.
David wasn't the only famous relative mourning the designer's shocking passing - actress Rachel Brosnahan uploaded a poignant video of her aunt, the former Katherine Noel Brosnahan, in which she could be seen laughing and dancing with husband Andy to a mariachi band at a holiday gathering.
According to multiple sources, Spade also left behind an emotional suicide note, addressing her 13-year-old daughter, Frances Beatrix.More news: Selfies and cheeseburgers: How Gavin Newsom spent election day
A suicide note was found at the scene, he said. Saffo claimed that Spade had been struggling with mental illness for years, and recently turned to alcohol to self-medicate.
They sold their shares of Kate Spade New York in 2006.
"She was doing stuff nobody did before; to launch this line, to become this female businesswoman who really did a lifestyle brand in a way that became so global and so big. That I could help her fill in any blanks she might have", Saffo added.
"Kate disappeared from NY society". Kemper said of Spade back in February 2016.
The sister of Kate Spade said the late designer might have had bipolar disorder and it could have contributed to her unexpected death Tuesday.
Kate Spade arrives at the Council of Fashion Designers of America awards in New York on June 2, 2003, at the New York Public Library. Spade seemed concerned how hospitalization might harm the image of the "happy-go-lucky" Kate Spade brand, she said. New York Fashion Week creator Fern Mallis, who knew Spade for almost three decades, was shocked by her death.
Funeral arrangements have not yet been finalized, a spokesman for the Spade family said Wednesday. "She got invited to everything - the Met Ball, every fabulous event Kate was invited to - and she declined them all", Shuter revealed. "And I just went 'What?'..."
"Try to hang on", he added.