Katy Perry's Style Evolution, From Mall Queen To Fashion Risk-Taker

One of her first red carpet appearances at the BMI Pop Awards in 2004.

In a floral mid-length dress to the 2005 Teen Vogue Young Hollywood Issue party.

Celebrating NYLON's 2006 Music Issue in a blue ruffled dress.

Wearing silk shorts and embellished bustier to her first VMAs in 2008.

Wearing a pink Basil Soda gown to the 2009 Grammys.

For the 2009 Met Gala, she kept it relatively simple, at least compared to her future looks, in a blue gown.

She wore a glittering silver mini dress to the 2009 VMAs.

AT the 2010 Grammys, she wore an embellished golden gown by Zac Posen.

She literally lit up the 2010 Met Gala red carpet in a light-up gown by Cute Circuit.

She wore a sheer Marchesa dress to the 2010 VMAs.

For the 2011 Grammys, she wore a custom Armani gown with angel wings.

Perry matched her hair with her blue gown at the 2012 Grammys.

At the 2012 premiere of her film, she wore a red velvet dress.

She wore a green Gucci gown to the 2013 Grammys.

She wore a cheetah-print Emanuel Ungaro dress to the 2013 VMAs.

For the 2014 Grammys, she wore a tulle gown by Valentino.

Recreating Britney Spears and Justin Timberlake's denim looks, she wore all denim with Riff Raff at the 2014 VMAs.

She wore a crystal fringe Zuhair Murad dress to the 2015 Grammys.

She wore a Moschino graffiti gown to the 2015 Met Gala.

Wearing a pink Prada gown (and a Bump-It) to the 2016 Grammys.

Wearing a velvet Prada gown to the 2016 Met Gala.

Perhaps inspired by the dancing lady emoji, Perry wore a floral red gown by Marchesa to the 2016 amfAR Gala in Cannes.

Wearing a sequin-and-feather Tom Ford gown to the 2017 Grammys.

She wore a red veiled Maison Margiela gown to the Met Gala in 2017.

At the 2017 VMAs, she wore a sleek white gown by Stephane Rolland.

Taking her angelic Grammys look up a notch in Versace at the 2018 Met Gala.

Wearing a pink Balmain gown to the 2019 Grammys.

She was a walking Moschino chandelier at the 2019 Met Gala.

She wore a light pink sequined dress to the 2020 premiere of American Idol.