Paul McCartney started off his forthcoming 80th birthday celebration in evident rockstar design.

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On the last North American leg of his "Got Back" visit held at MetLife Stadium in East Rutherford,

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NJ, McCartney invited some unexpected visitors to perform with him, making the group go totally wild.

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The Beatles' part had long-term buddies Bruce Springsteen and Jon Bon Jovi

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An audience for an electric and celebratory evening of exemplary music.

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"Seeing Paul and Bruce together is out and out mystical," concert attendee Brian Marschhauser, 34, told The Post.

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"A neighborhood kid will go along with us," McCartney prodded the group.

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'Penny Lane?' More Like Dollars! Paul McCartney's Net Worth and How He Earned It

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The Beatles to Wings and that's only the tip of the iceberg

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McCartney and Springsteen combined efforts to convey 1984-song of devotion "Greatness Days"

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