01of 12DEMI LOVATO, 2008Frederick M. Brown/GettyThen:The Disney star rocked the quintessential 2008 outfit – a bandage dress, pumps and a half-up do – for a look that she says now makes her feel “mixed emotions.“Now:Nominated for Best Rock Video (for “Irresistable,” with Fall Out Boy), the star will look and feel amazing on this year’s red carpet.
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DEMI LOVATO, 2008
Frederick M. Brown/Getty

Then:The Disney star rocked the quintessential 2008 outfit – a bandage dress, pumps and a half-up do – for a look that she says now makes her feel “mixed emotions.”
Now:Nominated for Best Rock Video (for “Irresistable,” with Fall Out Boy), the star will look and feel amazing on this year’s red carpet.
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BEYONCÉ, 2000
George DeSota/Liaison

03of 12ADELE, 2011Jeff Kravitz/FilmMagicThen:The superstar singer had already come up with her signature look: big hair, cat-eye liner and an LBD.Now:Not much has changed – she’s wearing a variation of the look in her Best Video-nominated “Hello.”
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ADELE, 2011
Jeff Kravitz/FilmMagic

Then:The superstar singer had already come up with her signature look: big hair, cat-eye liner and an LBD.
Now:Not much has changed – she’s wearing a variation of the look in her Best Video-nominated “Hello.”
04of 12JUSTIN BIEBER, 2009Michael Loccisano/GettyThen:The teen hearthrob’s signature hair swoosh was the highlight of all his looks.Now:It seems distinctly possiblehe will show up wearing overallsto potentially collect an award for Best New Video for “Sorry.”
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JUSTIN BIEBER, 2009
Michael Loccisano/Getty

Then:The teen hearthrob’s signature hair swoosh was the highlight of all his looks.
Now:It seems distinctly possiblehe will show up wearing overallsto potentially collect an award for Best New Video for “Sorry.”
05of 12ARIANA GRANDE, 2013Kevin Mazur/WireImageThen:Her perma-half pony was firmly in place and perfect for her ultra-girlie VMA debut – though a few months later, she’d be so over discussing the style.Now:The star’s style has gotten much sultrier (as is befitting aDangerous Woman,the album off of which several of her videos are nominated).
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ARIANA GRANDE, 2013
Kevin Mazur/WireImage

Then:Her perma-half pony was firmly in place and perfect for her ultra-girlie VMA debut – though a few months later, she’d be so over discussing the style.
Now:The star’s style has gotten much sultrier (as is befitting aDangerous Woman,the album off of which several of her videos are nominated).
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DRAKE, 2010
Steve Granitz/WireImage

Now:Yep, he got ‘em. (Maybe he’ll try to wear them to this year’s ceremony, where he’s nominated for “Hotline Bling” and “Work.")
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RIHANNA, 2005
Alexander Tamargo/Getty

Now:She’s such a superstar that she’ll be receiving the Video Vanguard Award … in what we’re guessing will be very minimal attire.
08of 12JOE JONAS, 2008Kevin Mazur/WireImageThen:The middle Jonas Brother (left) coordinated with the others in retro suits – though he already showed signs of the breakout red carpet star he was destined to be.Now:He’ll be even more out-there with his avant garde group DNCE, nominated for Best New Artist (Younger brother Nick will be there too, despitebeing “disappointed” in his lack of nominations.)
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JOE JONAS, 2008

Then:The middle Jonas Brother (left) coordinated with the others in retro suits – though he already showed signs of the breakout red carpet star he was destined to be.
Now:He’ll be even more out-there with his avant garde group DNCE, nominated for Best New Artist (Younger brother Nick will be there too, despitebeing “disappointed” in his lack of nominations.)
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KANYE WEST, 2004
Frank Micelotta/Getty

Now:The “Famous” rapper (and we’re not just talking about his notoriety – he’s nominated for that video) now is so devoted to neutrals he has a whole clothing line based around them.
10of 12FIFTH HARMONY, 2013Larry Busacca/GettyThen:Fresh off theX Factor, the girl group was finding their individual style (while still in sync, of course – clearly everyone got the memo to wear yellow and/or black and glossy waves).Now:There’s no need for the group to “Work From Home” - they’ll be back to celebrate that nominated video in what will likely be a more updated version of these coordinating ensembles.
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FIFTH HARMONY, 2013
Larry Busacca/Getty

Then:Fresh off theX Factor, the girl group was finding their individual style (while still in sync, of course – clearly everyone got the memo to wear yellow and/or black and glossy waves).
Now:There’s no need for the group to “Work From Home” - they’ll be back to celebrate that nominated video in what will likely be a more updated version of these coordinating ensembles.
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CALVIN HARRIS, 2012
Calvin Harris.Frederick M. Brown/Getty I

Now:He and Taylorhave dated and separated, but he’s unlikely to run into her at the ceremony – though he is nominated (for “This Is What You Came For” and “How Deep Is Your Love”), she is not.
12of 12FALL OUT BOY, 2005Evan Agostini/GettyThen:This photo pretty much speaks for itself (and all of 2005).Now:We expect to see the nominees (for “Irresistible”) with slightly less intense hair.
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FALL OUT BOY, 2005
Evan Agostini/Getty

Then:This photo pretty much speaks for itself (and all of 2005).
Now:We expect to see the nominees (for “Irresistible”) with slightly less intense hair.
source: people.com