"#bts @vogueaustralia it is wonderful to be working today with such amazing women!" Katie captioned the post.

The lines, just faintly visible above the waistband, are something almost every woman is familiar with having on her body in one place or another. But a female in an image-obsessed industry like Hollywood taking to a perfection-obsessed platform like Instagram to flaunt stretch marks is rare enough that Katie's post has garnered thousands of likes and has been flooded with comments cheering her decision to showcase, not cover up her stretch marks.

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"Love how beautiful and natural you are with your body. You arent afraid to show your body exactly how it is " one fan commented on the post.

"Stunning showing those beautiful pregnancy marks. Thank you" wrote another.

"So bold!! I love that youre slightly showing the pregnancy warrior marks. You go girl!!!! " said yet another.

The Batman Begins star has been serving fans killer look after killer look on Instagram recently (and even prompted E! to call her their "fall fashion icon") and her latest post is no different.

Here's hoping for more style moments from Katie that prove real beauty is unedited.

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