March 17, 2014 12:52 PM EDT

L’Wren Scott, who designed clothes worn by Michelle Obama and Angelina Jolie, was reportedly found hanging in her New York City apartment Monday in an apparent suicide, according to multiple media reports.

The 49-year old model and designer was also known for being the long-term girlfriend of singer Mick Jagger. She was allegedly found hanging by a scarf, and it is not yet clear if she left a note.

Scott recently collaborated with Banana Republic to create an affordable collection. Her public relations firm would not comment on reports of her death. A spokeperson for Jagger told CNN the singer was “completely shocked and devastated by the news.”

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