Mariah Carey wore a black dress with a plunging neckline, and had her sunnies ready.
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Billboard Music Awards 2015: Red Carpet Photos
![Mariah Carey Billboard Music Awards 2015 Red Carpe](https://assets.capitalxtra.com/2015/20/mariah-carey-billboard-music-awards-2015-red-carpet--1431932359-view-1.jpg)
11. Mariah Carey wore a black dress with a plunging neckline, and had her sunnies ready.
Picture: PA