School Of Frock: The MTV Video Music Awards edition

KATY PERRY (A)

Gown: Stephane Rolland

This is hardly Perry's most creative or impactful VMA offering. But compared with her rubbish post-haircut style direction of late, this sleek white sculptural gown is surprisingly toned down. It strikes the right balance of bold and beautiful, and totally steals the show.

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ALESSANDRA AMBROSIO (C+)

Dress and shoes: Balmain

Head-to-toe Balmain is truly too much of a good thing.

Questionably togged in separate heavily embroidered pieces, she looks like the leader of an alien supermodel race bent on fashion domination.

Sorry, we will not submit.

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DEMI LOVATO (C+)

Top and pants: Zuhair Murad

Shoes: Casadei

Sexy on top, silly at the bottom. Harem pants, no matter how sparkly, should not be a thing unless you are cosplaying a genie or leading an MC Hammer tribute.

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VANESSA HUDGENS (D)

Dress: Yanina Couture

Shoes: Sophia Webster

Kill that horrifically large sheer mesh panel in the skirt, and maybe there is a chance.

Equally perplexing is the sheer illusion neckline and long sleeves, which make the outfit go from "red hot" to "red not" very quickly.

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KESHA (D-)

Gown: Monsoori

Gone are the days of meat dresses. It is almost disappointing that this year's worst dressed is not a jaw-dropping disaster.

Kesha may think she is having a Cinderella moment, but this is a poorly fitted, unforgiving attack of tulle ruffles. There is no happy ending here.