WASHINGTON (AP) — Beyonce will sing for Barack and Michelle Obama's first dance on inauguration night.

And the song? Crazy in Love? Her version of Etta James' At Last?

The Presidential Inaugural Committee isn't saying. "It is our hope that we can keep the song secret until the moment," said spokeswoman Linda Douglass.

Beyonce is part of the star-studded lineup at the official Neighborhood Ball that will be televised on ABC, along with her husband Jay-Z, will.i.am, Mariah Carey, Alicia Keys, Shakira, Sting, Faith Hill, Mary J. Blige, Stevie Wonder and Maroon 5.

The Presidential Inaugural Committee said Thursday that presenters at the ball will include Denzel Washington, Jessica Alba, Leonardo DiCaprio, Ray Romano, Jamie Foxx, Queen Latifah and Kate Walsh.

UPDATE!!!!

Beyoncé has revealed that she will sing Etta James’ “At Last” during the new first couple’s first dance.