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Lady Gaga and Bradley Cooper sing "Shallow": The performers sang duet from "A Star is Born" in Las Vegas on Saturday - CBS News
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Lady Gaga and Bradley Cooper just sang Shallow LIVE during her Las Vegas Show: | Films | Entertainment | Express.co.uk
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Bradley Cooper joins Lady Gaga at Las Vegas residency, performs 'Shallow' from 'A Star Is Born' live for the first time | Fox News
Bradley Cooper Surprises Fans at Lady Gaga's Concert in Vegas by Appearing on Stage for Their First Live Duet
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Bradley Cooper surprises fans as he jumps on stage to perform with Lady Gaga in Las Vegas - Good Morning America
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