Elsa Pataky mocks husband Chris Hemsworth for flexing in Instagram snap

Elsa Pataky and Chris Hemsworth. Photo / Getty Images

Elsa Pataky has hilariously mocked her action star husband Chris Hemsworth - calling him out for flexing his gigantic muscles in an Instagram snap.

In the photo, Elsa sits in the car with Chris, who's in the driver's seat. As the Thor star clutches the steering wheel, it's hard not to notice the giant biceps that are photobombing his wife's pic.

The tight black tee he's wearing only emphasises the bulge.

"Stop flexing Chris, it's gross!!" she caption the snap.

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A post shared by Elsa Pataky (@elsapataky)

It appears the Byron Bay-based couple have shipped the family back to the states for a stint, as the model and actress included the hashtags "#kidsday", "#noisycar" and "#backinamerica".

Hemsworth, 33, has a habit for showing off his guns on social media.

Here he is again putting on a subtle gun show with Elsa in a snap the pair posted when they cheekily called out a tabloid magazine for reporting rumours of a split.

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A post shared by Chris Hemsworth (@chrishemsworth)

And then there are the times he just blatantly flexes for our enjoyment.

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A post shared by Chris Hemsworth (@chrishemsworth)