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    Diane Kruger, Emma Roberts and More Show Off Hollywood's High-Low Hem Styles

    Diane Kruger JB Lacroix/WireImage

    There was a time when things were simple and the hem on a dress was all one length. But modern times call for modern designs, so the powers that be came up with a new way to fashion their below-the-waist wear: the high-low hemline. Here some of our favorite A-listers show off the various ways to play with what was once a boring, straight line.

    Diane Kruger keeps her length difference little with a triangle slit at the front of this Mary Katrantzou cocktail dress. The slice gives the illusion of a true high-low hem without the dramatic mini skirt front. The only problem is, it sort of looks like a chunk of her dress is missing...

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    Emma Roberts Larry Busacca/Getty Images

    Emma Roberts' Michael Kors ballgown looks like giant, black wings attached to a simple, LBD! It gives the We're The Millers star's dramatic take on the double length an almost vintage feellike Marie Antoinette gone goth....

    Olivia Palermo Julien M. Hekimian/Getty Images

    And finally Olivia Palermo offers up the most traditional high-low look of allthe flirty ruffly dress. This floral-patterned frock has the true "mullet-made-out-of-material" effectmini skirt in the front, maxi dress in the back. We love the peek-a-boo of that bold, yellow fabric inside the skirtperfect use of the cut's added advantage.

    Whether it's a mini slice, dramatic shape or simple length difference, it appears this look is here to stay on the red carpet's most fashionable starsat least until someone comes up with a totally different way to fashion a simple skirt. 

    PHOTOS: See what fashion trends are next on the horizon, and which are on their way out!