She wore the full-length dress semi-unbuttoned at both the top and the skirt to reveal a little skin, not to mention a corset underneath the "shirt" portion of said dress. So what is this?

"Anne Hathaway debuts a custom Gap white shirt dress & cotton corset in Rome for a @bvlgari event, styled by @erinwalshstyle," he captioned a pic of the Idea of You star. "Connecting the timeless ...

Blake Lively laced up in a corset dress for the New York City premiere ... Lively traded her pastel number for an of-the-moment butter yellow T-shirt and coordinating satin skirt.

The top featured a structured, corset-like design with a plunging ... double-breasted tuxedo jacket by Louis Vuitton, a white dress shirt and a black bow tie, keeping it classic.

She slipped into the brand’s Napoleon Capris, featuring a built-in, fully boned corset designed to sculpt ... with the matching Napoleon Syndrome Shirt, tailored from crisp shirting fabric ...

She posed in a Ferragamo sheer corset dress that she unwrapped to show off ... rooting for as he paired a black Kobe Bryant Lakers t-shirt with a bomber jacket featuring white sleeves and a ...