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.

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!

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.

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.

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.

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.

“Today, I wear the pants.”
So, you know, just another elegant and understated first Monday in May.

Michael Loccisano/Getty Images; Christopher Polk/Getty Images

Laga Gaga/YouTube (3)

Anwar Hussein/Getty Images

John Shearer/WireImage; Kevork Djansezian/Getty Images

Laga Gaga/YouTube (3)

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

Laga Gaga/YouTube (2)

Laga Gaga/YouTube

Jeff Kravitz/FilmMagic

Lady Gaga/YouTube

Jason Merritt/Getty Images; Kevin Winter/Getty Images

Jason Merritt/Getty Images

Larry Busacca/Getty Images; Kevork Djansezian/Getty Images

Jason Merritt/Getty Images

Kevin Mazur/WireImage

Laga Gaga/YouTube

Kevin Mazur/WireImage

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

Jamie McCarthy/Getty Images; Theo Wargo/WireImage

David Fisher/REX/Shutterstock

Neilson Barnard/Getty Images

Kevin Mazur/Getty Images (2)

Jon Kopaloff/Getty Images

Rob Latour/REX/Shutterstock

Frazer Harrison/Getty Images

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

Lady Gaga/YouTube