The 'Bad Romance' singer joined jazz musician Brian Newman for a small performance in New York.
Lady Gaga To Lead New Year Countdown In New York And Japan
The 'Marry The Night' singer will head up the celebrations in Times Square after featuring on Japanese music show.
Lady Gaga has been chosen to lead the New Year's eve countdown in New York's Time Square by Mayor Bloomberg.
The singer will push the Waterford crystal button at 11.59 pm this Saturday (31st December) which starts the famous ball dropping into the crowd at Times Square.
Mayor Bloomberg told a press conference on Wednesday that he was very much looking forward to meeting the 'Bad Romance' singer.
"I have never met Lady Gaga. I saw her once perform at the museum, the Metropolitan Museum. I thought she was a great entertainer. But I do not personally know her and I’m looking forward to it.
The famous ceremony has starred former US president Bill Clinton and boxing legend Muhammad Ali in the past.
The star will also be performing as part of the Dick Clark's Rockin' New Year's Eve show in New York.
The performance will follow a guest appearance by satellite link up on the annual Japanese spectacular Kohaku Uta Gassen show where she will ring in the new year first.
Gaga has recently completed a festive break in Tokyo where she was pictured sporting an array of typically flamboyant outfits.
She has also been pictured publically for the first time with new boyfriend Taylor Kinney in California.
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