Liam Hemsworth has said he has had a "heartbreaking" few days after losing the home he has made with his popstar fiancée Miley Cyrus in the wildfires that have ravaged California.

The Australian actor posted a picture of the blackened shell of his home on Instagram, while showing a sign that spells out "love" which survived the blaze.

He wrote: "It's been a heartbreaking few days. This is what's left of my house. Love. Many people in Malibu and surrounding areas in California have lost their homes also and my heart goes out to everyone who was affected by these fires.

"I spent the day in Malibu yesterday and it was amazing to see the community pulling together to help each other out in any way they can. Malibu is a strong community and this event is only going to make it stronger."

He added: "Thankful for the all the great local guys that helped keep smaller fires out around my property. I love u guys. I love you Malibu. Thank you to all the hero firefighters around California. It's going to be a journey to rebuild. Stay strong all."

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Earlier this week, Cyrus said she was "devastated" but added that she was "one of the lucky ones". 

On Tuesday, the couple announced that they are donating $500,000 to The Malibu Foundation, through Cyrus' The Happy Hippie Foundation.

The statement said: "Miley and Liam lost their home but are very grateful to be safe along with their animals. Their community and state are very special to them and they want to give back to the place that has created so many beautiful memories for themselves and others.

"These funds will be used for those in financial need, emergency relief assistance, community rebuilding, wildfire prevention and climate change resilience."

The death toll has risen to 50 across the state in the most lethal and destructive wildfire in California's history.

Singer Robin Thicke, 300 star Gerard Butler and Fair City actor Victor Burke are also among those who have lost their homes in the fires.