Reese Witherspoon, Shailene Woodley & More Stars Pay Tribute To Famed Director Jean-Marc Vallée After His Unexpected Death At 58

Notable director Jean-Marc Vallée has tragically died at the age of 58.

Vallée — who is known for his work on Dallas Buyers Club, Big Little Lies and more — passed away on Sunday, December 26, while at his home near Quebec City, Canada. A cause of death has yet to be revealed.

The celebrated director received multiple awards throughout his prolific career, including four Oscar awards and two Golden Globes, per Us Weekly. He also won an Emmy for his work on the first season of Big Little Lies.

His publicist, Bumble Ward, was one of the first to respond to the news of his tragic passing, claiming to still be in shock over his unexpected death. "What you may not know is that he was sweet and kind, full of gratitude, remembered birthdays and sent awesome mixtapes, while still being a creative genius. Rest In Peace," Ward wrote on Twitter.

HBO also released a statement honoring Vallée as, "a brilliant, fiercely dedicated filmmaker, a truly phenomenal talent who infused every scene with a deeply visceral, emotional truth," per Deadline. "He was also a hugely caring man who invested his whole self alongside every actor he directed. We are shocked at the news of his sudden death, and we extend our heartfelt sympathies to his sons, Alex and Émile, his extended family, and his longtime producing partner, Nathan Ross.”

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Vallée's producing partner Ross issued a statement, writing: "Jean-Marc stood for creativity, authenticity, and trying things differently," per Deadline.

Reese Witherspoon, 45 — who starred as Madeline Mackenzie in Big Little Lies — penned a heartfelt message to Vallée on her socials, writing: "My heart is broken. My friend. I love you." She also added a photo with the director to her Instagram Story along with a broken heart emoji.

Shailene Woodley — who also starred in the beloved hit HBO series — shared a honorary post to her Instagram Story featuring a photo of Vallée with his back to the camera. "I am in shock. Complete and utter shock," the Divergent star, 30, wrote. "My f**king god death is the worst."

"But I guess somehow I know you will turn it into a grand adventure — one for the books. One I can't wait to read & to watch when my time comes," she continued. "It doesn't make sense though dude. It doesn't make sense. Maybe when we wake up tomorrow you'll be there laughing saying it was just a satirical short film you made. That it's not real."

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Matthew McConaughey — who starred in Vallée's Dallas Buyers Club — penned a message on his Instagram Story to honor the late director.

"With a gentle hand and heart Jean-Marc was a true receiver — he didn't romanticize life so much as he saw life romantic — from the struggle to the pain to the wink and the whisper, love stories were everywhere in his eye," the actor, 52, wrote on Monday.

Big Little Lies star Laura Dern posted a sweet candid photo with Vallée alongside a heartbreaking message she shared to Twitter: "Beautiful Jean-Marc Vallee. The world has lost one of our great and purest artists and dreamers. And we lost our beloved friend. Our hearts are broken."

Jared Leto also tweeted a photo with the beloved director, calling him, "A filmmaking force and a true artist who changed my life with a beautiful movie called Dallas Buyers Club."

Cameron Bailey, CEO of Toronto International Film Festival, also tweeted: "Can't believe it. Jean-Marc Vallée was a prodigious talent, and the only filmmaker to both open (DEMOLITION) and close (THE YOUNG VICTORIA) the Toronto Film Festival. I'll miss his fire."