"Love u mum," The Thor actor simply captioned the picture of his younger days while on a camping trip with his family.
Hemsworth, 33, is a parent to three children who he shares with wife Elsa Pataky.
Back in March, he shared a picture of his sons on Instagram and funnily enough just like their father before them they were featured in shorts and barefoot at one with nature.
"My son said to his brother 'Tristan hold my hand so you don't get eaten by a crocodile'#mykids#littlelegends," he captioned the cute snap.
So sweet!
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