The most distinctive keyhole cutout was on Katy Perry's holographic dress.

Katy Perry demonstrated her versatility once more with her most recent Instagram carousel, even if she's no stranger to donning a chandelier on the red carpet or stepping into a hamburger

The American Idol judge was obviously encouraging her supporters to watch, but also provided fashion lovers another reason to watch the competition show

Perry wore a Rick Owens design that included iridescent green fabric with origami folds, a plunging keyhole bodice, and other striking details that could only be pulled off by Perry.

Her breast was carved out by the dress's complex bodice folds, which then flowed down into a floor-skimming column.

Her breast was carved out by the dress's complex bodice folds, which then flowed down into a floor-skimming column.

The ideal storm was created by the combination of attention-grabbing fabric and look at me skin, and Perry naturally completed the ensemble with a sculptured updo

She added drop earrings and a sparkling cat-eye liner to complete the outfit.plunging keyhole bodice that made for a graphic and sexy gown that only Perry could pull off

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