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Lady Gaga, Tony Bennett


God bless America!

Lady Gaga and Tony Bennett performed together Tuesday night at President Barack Obama's final inaugural ball.

Per The Washington Post, Gaga delighted campaign staffers at the Washington Convention Center with "Born This Way," "Edge of Glory" and more of her hits, then was unexpectedly joined onstage by Bennett for a duet on "The Lady Is a Tramp."

"On a date with my Lady tonight," Bennett, 86, tweeted, reusing Gaga's "#whitehausball" hashtag.

Gaga, 26, closed out the night by telling the crowd she had to leave for a performance in Phoenix Wednesday night.

Here's hoping we see more of Gaga and Bennett performing together onstage!