01of 12Ariana GrandeKevin Mazur/WireImageTheSweetenersinger looked all dolled up in a floral-print dress and white pumps during her 2013 debut.

01of 12

Ariana Grande

Kevin Mazur/WireImage

Ariana Grande

TheSweetenersinger looked all dolled up in a floral-print dress and white pumps during her 2013 debut.

02of 12The Jonas BrothersNDREAS BRANCH/Patrick McMullan via GettyThe band of brothers love theircolor-coordinated suits. Check out their 2008 carpet outfits, complete with Joe and Nick’s rolled-up sleeves and Kevin’s all-black ensemble that had aninterestingmetallic sheen. Joe’s bangs and Nick and Kevin’s cute curls are an added bonus to these legendary looks.

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The Jonas Brothers

NDREAS BRANCH/Patrick McMullan via Getty

Jonas Brothers

The band of brothers love theircolor-coordinated suits. Check out their 2008 carpet outfits, complete with Joe and Nick’s rolled-up sleeves and Kevin’s all-black ensemble that had aninterestingmetallic sheen. Joe’s bangs and Nick and Kevin’s cute curls are an added bonus to these legendary looks.

03of 12Lady GagaStephen Lovekin/FilmMagicNo one did a red carpet reveal better than Gaga, especially back in 2009 when she arrived in this strange-yet-fabulous vintage look.

03of 12

Lady Gaga

Stephen Lovekin/FilmMagic

Lady Gaga

No one did a red carpet reveal better than Gaga, especially back in 2009 when she arrived in this strange-yet-fabulous vintage look.

04of 12Shawn MendesFrazer Harrison/GettyThe “Señorita” singer posed with a(n) (adorable) mean mug during his 2015 arrival.

04of 12

Shawn Mendes

Frazer Harrison/Getty

Shawn Mendes

The “Señorita” singer posed with a(n) (adorable) mean mug during his 2015 arrival.

05of 12Taylor SwiftANDREAS BRANCH/Patrick McMullan via GettySwift was still a budding country singer in 2008 when she graced the carpet with her then-signature long curls and whimsical pink, pastel dress.

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Taylor Swift

ANDREAS BRANCH/Patrick McMullan via Getty

Taylor Swift

Swift was still a budding country singer in 2008 when she graced the carpet with her then-signature long curls and whimsical pink, pastel dress.

06of 12John LegendEvan Agostini/GettyOne look at this incredible 2005 throwback has us wondering if Legend still owns these white, bootcut trousers and that black-and-white blazer with a belt that perfectly cinched his waist.

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John Legend

Evan Agostini/Getty

John Legend

One look at this incredible 2005 throwback has us wondering if Legend still owns these white, bootcut trousers and that black-and-white blazer with a belt that perfectly cinched his waist.

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Kanye West

Peter Kramer/Getty

Kanye West

08of 12Justin BieberMichael Loccisano/GettyThemarried manwas once just a 15-year-old music prodigy with helmet hair and long bangs in 2009.

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Justin Bieber

Michael Loccisano/Getty

Justin Bieber

Themarried manwas once just a 15-year-old music prodigy with helmet hair and long bangs in 2009.

09of 12Miley CyrusANDREAS BRANCH/Patrick McMullan via GettyCyrus and then-boyfriendNick Jonashad justbroken upwhen she hit the 2008 VMAs carpet.

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Miley Cyrus

Miley Cyrus

Cyrus and then-boyfriendNick Jonashad justbroken upwhen she hit the 2008 VMAs carpet.

10of 12Katy PerryJeffrey Mayer/WireImageThe star was riding high on her mega-hit “I Kissed a Girl” when she wore this sparkly halter top and purple kitten heels to the 2008 award show.

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Katy Perry

Jeffrey Mayer/WireImage

Katy Perry

The star was riding high on her mega-hit “I Kissed a Girl” when she wore this sparkly halter top and purple kitten heels to the 2008 award show.

11of 12Fall Out BoyEvan Agostini/GettyThe year 2005 was all about smudged black eyeliner, side-swept bangs and emo attire, and no one did it better than these rockers.

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Fall Out Boy

Fall Out Boy Boy

The year 2005 was all about smudged black eyeliner, side-swept bangs and emo attire, and no one did it better than these rockers.

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Destiny’s Child

Destiny’s Child in 2000.Dave Hogan/Getty

Destiny’s Child

source: people.com