Washington, July 4 -- Hollywood is mourning the loss of Michael Madsen, known for his roles in Quentin Tarantino films, including 'Kill Bill: Vol. 1 & 2' and 'Reservoir Dogs', according to The Hollywood Reporter.

Following the news, stars and family took to social media to share tributes to Madsen.

His sister Virginia Madsen posted a photo of them with her mom, writing in the caption, "He was thunder and velvet. Mischief wrapped in tenderness. A poet disguised as an outlaw. A father, a son, a brother -- etched in contradiction, tempered by love that left its mark. We're not mourning a public figure. We're not mourning a myth -- but flesh and blood and ferocious heart."

Sharon Stone wrote in the comments: "My sincere condolences to you ...