The filmmaker died at his cabin outside of Quebec City, according to his publicist.
“My heart is broken.
I love you,” Witherspoontweetedin response to the news.

Jean-Marc Vallée.Rich Polk/Getty Images
“The world has lost one of our great and purest artists and dreamers,” she wrote.
“And we lost our beloved friend.
Our hearts are broken.”

Shailene Woodley shares a message about the passing of ‘Big Little Lies’ director Jean-Marc Vallee.Shailene Woodley/Instagram
“i am in shock.
complete and utter shock,” she wrote.
one i cant wait to read & to watch when my time comes.

Jared Leto and Matthew McConaughey star in ‘Dallas Buyers Club’.Focus Features
it doesn’t make sense though dude.
it doesn’t make sense.
that it’s not real."

Resse Witherspoon, Shailene Woodley, Zoe Kravitz, Nicole Kidman, and Laura Dern in ‘Big Little Lies’.
“I loved it.
“There was really no rhyme or reason to the way in which he creates.
It’s just that instinct.”
Vallee had been nominated for Best Editing, while the film at large earned a Best Picture nom.
There’s the Leonard Cohen track playing, ‘Suzanne.’
And then we’re back on the trail and there’s no more music.
The pair would reunite onBig Little Lies, also starring Kidman, Dern, Woodley, andZoe Kravitz.
“This is all Reese’s fault,“Vallee had told EWof the genesis of the project.
“I was about to take a vacation, and I was so tired.
But then I read it, and I couldn’t abandon it after I started.”
He ended up helming all episodes of the first season of the HBO drama and executive-produced the series.
Vallee gained further notoriety for directing Adams in the HBO Emmy-nominated miniseriesSharp Objects.
Vallee had a production company with his producing collaborator Nathan Ross called Crazyrose.
The banner had just struck a three-year first-look deal with HBO and HBO Max,Deadlinereported this past April.