The latter featured boning on the front, along with a row of silver buttons and Rouleau loops.
Niece also wore a pair of black, brief-style bottoms.
Some commenters, however, appeared to have been rendered speechless by the photo and instead used a trail of emoji to express their admiration for the model.
The shapewear cinched her thin waist in to make her hourglass shape look even more extreme.
Brunette Niece Waidhofer spiced up her Instagram feed on Tuesday night with a sexy snapshot of herself wearing cat ears and a leather corset.
The number was strapless and extremely low-cut, giving her fans an eyeful of cleavage.