Hailey Bieber posed in a blazer, rocking nothing underneath and going braless. Here's to Hailey showing workwear doesn't have ...

In a new IG photo dump, Hailey posted herself wearing a black, pinstripe skirt suit which featured a fitted, plunging blazer worn over a pencil skirt with a huge side slit and was worn over low denier ...

"i am delighted with it. The fit is perfect (my usual size) and the quality is absolutely wonderful. The perfect spring or autumn dress. A great weight to the dress keeps it looking great all day long ...