Beyonce is a style icon. There's no arguing that. She even has her own fashion line, House of Dereon. She dresses smartly to play up her curves, whether she's at a major Hollywood event or just taking in a concert and hanging out. At any time and at any place, she's one hot mama.

But there were a few outfits, many in her long-ago past while she was still cultivating her 'Bootylicious' style, that left a bit to be desired.

Overall, Bey wears neutrals and experiments with shape and styling, always avoiding any "drabness." She also dresses up basic black and never shies away from loud pops -- make that bangs -- of color. She certainly takes chances with her color choices and fabrics.

The singer, actress and upcoming Super Bowl performer is almost always flawless when she goes glam, like she did while cloaked in black and dripping in jewels at the 2005 Oscars. Va-va-voom.

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This ice blue confection with ruched sides and a train was her red carpet dress that same night. Both gowns are utterly to-die-for -- one is full and belle-of-the-ball style while the other is modern and pleated, but both are ultra glamorous.

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But it's not fancy schmancy all the time with Bey. Her casual looks are also easy and fun to copy. Best of all, they're accessible, meaning you could grab similar items at the mall. Her style is within reach for the regular fashion plate, and that's what makes her such an approachable style icon.

At a recent Coachella, Bey was relaxed and gorge all at once with an off-the-shoulder top, dangerously short shorts, layers of chain belts and an armful of bracelets.

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She also looks like the diva of all divas when she goes wild and untamed with her gorgeous afro.

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Beyonce proves that curvy women can be equally as fashionable as the industry's stick figures in this clingy black and yellow dress that Wiz Khalifa would love.

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Bey's hair is also a signature part of her look. Whether it's honey-highlighted curls ...

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... or tight blonde corkscrews ...

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... or sleek, shiny and stick-straight ....

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... or golden, glossy and big, her locks are always healthy and stylish.

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What's Right:

When some celebs try to wear peek-a-boo lace over sheer fabric, they falter and look vulgar. (Oh hai, Kim Kardashian.) In this Givenchy gown with a purple feathered hem, Bey is elegant and classy. She's no princess -- she's the queen.

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At the 2009 Golden Globes, her textured ivory Elie Saab column gown was a show-stopper. That slit ups the sex appeal, and Beyonce already oozes enough of that naturally. She's so hot in this dress, she could cause a four-alarm fire.

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Red hot in heels, blunt bangs and a peplum cut? Yes, as a matter of fact, she is.

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Beyonce embraces color and short hems, like here at the BET Awards in 2009. Why not, when you've got a pair of stems like that?

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Check out those heels. They're quirky, not something she's usually known for, but when she takes a chance, she nails it.

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What's Wrong:

Her silky green gown at the 2012 BETs was sloppy, like a cinched gunnysack. It wasn't polished, and it wasn't "her."

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This denim dress from 2005 isn't her best look either, thanks to the unflattering cut. It's too long, and she looks like a hostess at Outback Steakhouse in her native Texas.

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Her ribbed Stephane Rolland gown at the 2010 Grammys showed off her tight figure, but it was too fussy and stiff.

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This frock is too much of a not-so-good thing. The tutu blush skirt is crumpled and adds too much girth and too many inches.

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She had to be carried up the steps in this constricting black and gold ensemble by Pucci. We know she couldn't walk, but how could she even breathe with that high choker collar? It's too tight and she looks uncomfortable. This mermaid gown is daring, yes. But the execution is poor.

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How to Fix It:

We're not saying much needs to be fixed. But there are a few key things Bey should always do.

Always show off those gams. They glow!

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That million dollar smile is also a necessary accessory. It lights up the universe.

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Keep being daring with fabric and texture, like this leather top. Always opt for items that hug those to-die-for curves, too.

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Never stop being on the cutting edge of fashion, and being fashion-forward in bold colors and unexpected cuts. Even power-bitch shoulder pads work on Bey's frame.

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Last, but certainly not least, never ever stop being Sasha Fierce -- fashionable, fiery and unforgettable.

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