In 2009, Dr Dre linked up with Lady Gaga for 'Heartbeats by Lady Gaga'
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Dr Dre facts: 52 things you forgot about Dre
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42. In 2009, Dr Dre linked up with Lady Gaga for 'Heartbeats by Lady Gaga'
Dr. Dre and Lady Gaga attend the launch of Monster and Beats by Dr. Dre's first artist line "Heartbeats by Lady Gaga" in New York, USA. Picture: PA