Tragic L'Wren Scott planned to close fashion business before she took own life
* Friend of designer said she planned to announce closure of business
* Cathy Horyn said L'Wren took decision due to financial troubles
* This news comes as Mick Jagger paid a touching tribute to his girlfriend
* Jagger described her as his 'lover and best friend'
* He said he was struggling to understand why she took her own life
Fashion designer L'Wren Scott was planning to announce the closure of her business, it was reported as Sir Mick Jagger paid tribute to his long-term girlfriend.
The Rolling Stones singer called her his "lover and best friend" and said he was struggling to understand why she might have taken her own life.
Sir Mick posted the message on his Facebook page as the Rolling Stones cancelled their seven-date tour of Australia and New Zealand, in the wake of Scott's death.
She was found dead on Monday in her New York apartment, in an apparent suicide.
A report yesterday in the New York Times shed possible light on Scott's state of mind in recent days.
Former Times fashion writer Cathy Horyn, a friend of Scott's, wrote in an essay posted on the paper's website that the designer had been planning to announce today that she was closing her business, apparently due to financial troubles.
Ms Horyn wrote that she had learned of that development after Scott's death - and did not say from whom.
On Facebook, Sir Mick wrote: "I am still struggling to understand how my lover and best friend could end her life in this tragic way. We spent many wonderful years together and had made a great life for ourselves. She had great presence and her talent was much admired, not least by me."
He added: "I have been touched by the tributes that people have paid to her, and also the personal messages of support that I have received.
"I will never forget her."
He was believed to be on his way to New York after hearing the news in Australia. The band issued a statement expressing regret that the tour was being postponed.
Meanwhile, details emerged in Britain about the financial troubles that Scott's eponymous label had been experiencing. Last month the designer cancelled her London Fashion Week show, citing production delays.
Accounts filed by Scott's LS Fashion Ltd in London show the company had liabilities that exceeded assets by £3.5 million as of December 31, 2012.
The company's long and short-term debts totalled £5.6 million against assets, capital and reserves of £2.1 million, according to the accounts, which were filed in October.
Scott's high-end fashion label was a favourite among Hollywood stars like Nicole Kidman, Olivia Wilde, Tina Fey, Sarah Jessica Parker and others, not to mention first lady Michelle Obama.
Recently she collaborated with Banana Republic on a more affordable line of clothing.
Scott was adopted by a Mormon couple and grew up in small-town Utah. She made her way to Paris after school where, aided by her 6ft-3ins height (some say it was 6ft 4ins) and striking looks, she found work as a model for some prominent photographers.
But she became more interested in working with clothes than modelling them, and eventually made her name as a top stylist in Los Angeles and a costume designer for films including Ocean's 13.
In 2006, Scott founded her label, with an initial collection based on the "Little Black Dress."
She became known for designs that used luxurious fabrics and had a vintage, old-fashioned feel, such as her famous "headmistress" dress - prim, with three-quarter sleeves, but also close-fitting and stylish.