Katy Perry first illuminated the Met Gala pink carpet dressed as a chandelier, then made everyone hungry by changing into a hamburger.

The singer took a page out of Lady Gaga’s book on Monday and did an outfit change during the Met Gala. Perry graced the pink carpet at the Metropolitan Museum of Art dressed as a giant chandelier designed by Moschino, completed with Swarovski crystal stones. The dress even lit up like a real light fixture.

KATY PERRY STEPS OUT AS A CHANDELIER AT MET GALA

After she was inside the venue, the “American Idol” judge headed to the restroom to change into her second look — a hamburger. Video posted on social media showed Perry wearing a green off-the-shoulder dress and lifting up her glittery burger costume. She completed the outfit with a headpiece that symbolized a toothpick.

Perry even had pairs of matching shoes designed to look like chandeliers and burgers for each costume.

Celebrities arrived at Monday night’s event in over-the-top outfits for the gala’s theme, “Camp: Notes on Fashion.” The theme was inspired by a seminal 1964 essay by Susan Sontag in which she describes the phenomenon as something that shall not be talked about: "To talk about Camp is therefore to betray it."

CLICK HERE TO GET THE FOX NEWS APP

Lady Gaga graced the red carpet in four different outfits.

Fox News' Mariah Haas contributed to this report.