BEST
The best dressed. First up, one word: Beyoncé. The woman of the night arrived looking fantastic in a black lace gown by designer Nicolas Jebran. We'd say it was a perfect ten.
Also scoring high marks was Jennifer Lopez and Iggy Azalea, who both opted for metallic numbers. Iggy chose a body-hugging Versace gown while J.Lo looked every bit the part of a diva in a shimmering Charbel Zoe number
Winning the award for best cleavage-baring ensemble is Demi Lovato. She stepped out in a flaming red Lanvin number with a low neck and high slit—but she still looked classy.
WORST
Let's discuss Katy Perry. Now, we get that she was riffing on Britney Spears' infamous 2001 VMAs outfit and it was meant in good fun, but all we see is denim. And more denim. And studs. And a choker.
We also were a little underwhelmed by Taylor Swift . She opted for a long-sleeved bodysuit with a bunch of letters all over it. Sure it was different, but we're longing for those shimmering and feminine dresses she typically goes for.

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And we can't wrap things up without touching on Amber Roses' nearly-naked getup. She definitely wins the award for dropping most jaws, but we didn't group her with the worst dresses because this is in an outrageous league of its own.
E!