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The actress took to Instagram to share her grief

Nicole Kidman has taken to Instagram to express her heartbreak following the loss of a very dear friend.

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The Australian actress shared a series of snapshots showing her with Canadian filmmaker Jean-Marc Vallee, who passed away on Christmas Day at the age of 58.

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Nicole and Jean-Marc worked together on HBO's , which saw him win an Emmy, and he also directed – nominated for six Oscars – and starring Reese Witherspoon.

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In her caption, heartbroken Nicole admitted: "It's hard to imagine someone as vital, energetic and present as Jean-Marc being gone. I'm shattered.

Nicole has paid a heartfelt tribute to Jean-Marc following his death

"He was at the center of my creative universe and I can't overstate his significance to me. Jean-Marc was not only responsible for some of the most rewarding professional experiences of my career, but his friendship, kindness and love were an inspiring force I will carry with me.

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"I will always cherish those nights filming above the crashing waves of Big Sur… It doesn't get better than that. I am forever grateful for my time shared with this extraordinary human. Forever Jean Marc."

Fans and famous friends were quick to rally around the actress. "Sending love Nic. Such a special one," wrote Naomi Watts. "I'm so sorry," added Rita Wilson.

Reese also remembered the acclaimed Canadian director

Reese also took to Instagram to pay a heartfelt tribute. "I will always remember you as the sun goes down. Chasing the light. On a mountain in Oregon. On a beach in Monterey. Making sure we all caught a little magic in this lifetime. I love you, Jean Marc. Until we meet again," she wrote.

Laura Dern – who worked with the director on – shared a snapshot of the pair laughing together and said: "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."

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