Rihanna, Katy Perry, and more celebrities express their grief at Bling Empire star Lynn Ban’s tragic demise following a ski accident last December.

Lynn Ban, star of “Bling Empire: New York” and jewelry designer, has died. Her son, Sebastian, confirmed her death in an emotional Instagram post on Jan. 22. He shared that his mother died on Monday, Jan. 20. after a skiing accident and brain surgery.

Calling his mom a "fighter" and the "strongest woman I know," Ban’s son, Sebastian Ban, confirmed she died Monday.