If Barack Obama needs a singer for Inauguration Day in January, he can count on Beyonce Knowles.

"I'm there. I can't wait," she told the Associated Press. "I feel like all of us, we're ready to do whatever we have to do. Whatever they want -- if they need me to volunteer, they need me to sing, I'm there, and I'm ready."

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She said that she was supposed to be in Japan on election night, promoting her new album, I Am ... Sasha Fierce. At the last minute, she opted to stay home.

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"I said, 'What am I doing? I'm completely making a bad decision. I have to go home. I'm gonna kill myself if I'm not home in America,"' said the singer. "I knew I needed to be here."

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After he won, she said she "fell asleep crying and smiling at the same time. I woke up with mascara running and a smile on my face!"

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