Tony Bennett has teamed up with so many powerful voices over the years. See photos from his best duets here.
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Tony Bennett’s Best Duets: Lady Gaga & More
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Tony Bennett & Lady Gaga Duet
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Tony Bennett & Billy Joel
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Tony Bennett & Carrie Underwood
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Tony Bennett & Lady Gaga
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Tony Bennett & Natalie Cole
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Tony Bennett & Josh Groban
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Tony Bennett & Lady Gaga
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Tony Bennett & Amy Winehouse
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Tony Bennett & Diana Krall
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Tony Bennett & John Legend
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Tony Bennett & Christina Aguilera
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