The former Disney darling went by the old adage "less is more," wearing a barely-there Versace outfit and boots.
The singer and actress was flawless in a skin-tight Nicolas Jebran creation with graphic cutouts. She matched everything from her nails to her makeup for a detailed ensemble that left everyone breathless.
The "Bad Blood" singer dazzled in sparkly houndstooth pants and crop top by Indian designer Ashish.
The actress fell into another big VMA trend: black. Her Calvin Klein dress owned the carpet.
The Oscar-nominated actress bucked the trends on Sunday, opting for white and covering up in a Stella McCartney jumpsuit. "I've never worn anything like this before, so it feels like a moment," she told Jeannie.
Watch the video below for some of the award show's most standout moments.