PIC: See Beyonce's Sheer, Curve-Hugging Met Gala Look!

Beyonce Knowles attends the 'Schiaparelli And Prada: Impossible Conversations' Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City. Credit: Dimitrios Kambouris/Getty Images

The Queen Bey has arrived!

Beyonce showed up--fashionably late, of course--to the 2012 Met Gala Monday night, clad in a sexy, sheer Givenchy Haute Couture gown.

Letting her curve-hugging dress be the focus of her look, the "Run the World (Girls)" singer--who gave birth to daughter Blue Ivy January 7--kept her accessories and makeup to a minimum and pulled her hair back into a simple, sleek ponytail.

Hubby Jay-Z sat the soiree out, although Beyonce's little sister Solange Knowles arrived earlier in the evening, rocking a canary yellow Rachel Roy frock.

VOTE: What's her best Met Gala dress?

Other A-listers in attendance? Justin Timberlake, Jessica Biel, Scarlett Johansson, Rihanna, Emma Stone, and Kanye West--sans new love Kim Kardashian.