Stars on the Met Gala's pink carpet

The superstar made a grand entrance wearing a voluminous bright pink dress that she shed on the red carpet to reveal three other outfits including a bra and underwear, her barely-there interpretation of the evening's theme, "Camp: Notes on Fashion."

Camp, a theme that embraces humor, exaggeration and liberal interpretation, was inspired by writer Susan Sontag's 1964 essay "Notes on 'Camp.'" 

The actor arrives for the gala. 

Fanning shows her nails to photographers.

The tennis star stayed true to her brand, pairing Nike sneakers with a custom neon yellow dress from Italian fashion house Versace.

Trends on the pink carpet included gold lame and sequins, feathers, neon, and huge sleeves, skirts and trains.

Gaga in a strapless black gown.

Leto, wearing a Gucci gown, holds a replica of his own head. 

Nyong'o wears a multi-colored dress and gold Afro picks in her hair.

Musgraves holds a neon-pink blow dryer.

Cardi B. makes her way up the stairs.

The singer came dressed as a chandelier, even wearing one on her head. "I like to be of the light and obviously be the light, she said about her 40-pound costume by Moschino.

Law Roach waves his wand at Zendaya, dressed as Cinderella, in a Tommy Hilfiger gown.

 The British actress and model wears a large headpiece and a sheer bodysuit with stripes.

Dion wore a feathered headpiece and full-length fringe by Oscar de la Renta that was reminiscent of a Cher costume.

Miller with a mask and five optical-illusion eyeballs on his face.

The singer sported a voluminous Afro.

Gaga wears a voluminous bright pink dress by Brandon Maxwell.