Kendall Jenner -- How Can You Be So Braless? (PHOTO)

Kendall Jenner played '60s revolutionary -- ditching that far-too-traditional women's undergarment known as ... "the bra."

A dangerously flimsy and low-cut blouse is all that stood between Kendall and the paps Tuesday in West Hollywood.

Her sister Kim would have a harder time keeping everything in place, if you catch our meaning.