Performing atLollapaloozain 2007, she wore a homemade disco-mirror bra with black panties and a matching belt.

Wearing now-iconic disco-mirror sunglasses and a sculptural latex bodysuit, she began her experimentation with more avant-garde details.

Gaga, naturally, opted for red latex and matching glittery eye decals.

lady-gaga-fashion-evolution

Frederick M. Brown/Getty Images; Jason Merritt/Getty Images; Kevin Mazur/WireImage

She draped herself in chains and wore sunglasses covered in (still-smoking!)

“Wow,” they must have thought, “Gaga’s really done it again.”

How little we knew!

Lollapalooza 2007 - Day 2

Jason Squires/WireImage

How innocent we were!

Who could ever have guessed how outrageously she would outdo herself before the night was over?

PETA, which had previously applauded her Kermit coat, did not approve.

Just-Dance

Laga Gaga/YouTube (2)

In the press room following the appearance, Gaga would onlyanswer questionsin character as her alter ego.

In the video, she plays the guitar while wearing the hat and a matching pink suit.

She hit the carpet with co-star and directorBradley Cooper, wearing this voluminous pale pink Valentino princess dress.

Poker-Face

Laga Gaga/YouTube

The film’spositive receptionset Gaga on a long awards season runfilled with fabulous fashion.

Not a gown," she said.

“In this suit, I felt like me today.

Lady Gaga and Chris Jericho Visit FOX’s “Good Day New York” - Octobe

Charles Eshelman/FilmMagic

In this suit, I felt the truth of who I am well up in my gut.

And then wondering what I wanted to say tonight become very clear to me.”

But “I decided today I wanted to take the power back,” she said.

Kermit-the-Frog-coat

“Today, I wear the pants.”

So, you know, just another elegant and understated first Monday in May.

2009-VMAs

Michael Loccisano/Getty Images; Christopher Polk/Getty Images

Bad-Romance

Laga Gaga/YouTube (3)

Anwar Hussein Collection

Anwar Hussein/Getty Images

2010-Grammys

John Shearer/WireImage; Kevork Djansezian/Getty Images

Telephone

Laga Gaga/YouTube (3)

2010-VMAs

Jeff Kravitz/FilmMagic; Frederick M. Brown/Getty Images

judas

Laga Gaga/YouTube (2)

you-and-I

Laga Gaga/YouTube

2011 MTV Video Music Awards - Show

Jeff Kravitz/FilmMagic

gaga1

Lady Gaga/YouTube

2015-Oscars

Jason Merritt/Getty Images; Kevin Winter/Getty Images

73rd Annual Golden Globe Awards - Arrivals

Jason Merritt/Getty Images

2016-Grammys

Larry Busacca/Getty Images; Kevork Djansezian/Getty Images

88th Annual Academy Awards - Arrivals

Jason Merritt/Getty Images

“Manus x Machina: Fashion In An Age Of Technology” Costume Institute Gala - Arrivals

Kevin Mazur/WireImage

Million-Reasons

Laga Gaga/YouTube

Pepsi Zero Sugar Super Bowl LI Halftime Show

Kevin Mazur/WireImage

lady-gaga-2017-grammy-fashion

Jon Kopaloff/FilmMagic; Lester Cohen/Getty Images for NARAS

2018-Grammys

Jamie McCarthy/Getty Images; Theo Wargo/WireImage

‘A Star is Born’ premiere, 75th Venice International Film Festival, Italy - 31 Aug 2018

David Fisher/REX/Shutterstock

ELLE’s 25th Annual Women In Hollywood Celebration Presented By L’Oreal Paris, Hearts On Fire And CALVIN KLEIN - Red Carpet

Neilson Barnard/Getty Images

lady-gaga-style

Kevin Mazur/Getty Images (2)

76th Annual Golden Globe Awards - Arrivals

Jon Kopaloff/Getty Images

25th Annual Screen Actors Guild Awards, Arrivals, Los Angeles, USA - 27 Jan 2019

Rob Latour/REX/Shutterstock

91st Annual Academy Awards - Arrivals

Frazer Harrison/Getty Images

NEW YORK, NEW YORK - MAY 06: Lady Gaga attends The 2019 Met Gala Celebrating Camp: Notes on Fashion at Metropolitan Museum of Art on May 06, 2019 in New York City. (4) Credit L-R: Dimitrios Kambouris/Getty Images; Neilson Barnard/Getty Images; Jamie McCarthy/Getty Images (2)

Dimitrios Kambouris/Getty Images; Neilson Barnard/Getty Images; Jamie McCarthy/Getty Images (2)

Lady Gaga

Lady Gaga/YouTube