Which brand collaboration holds the Guinness World Record for the 'Largest Product Launch Livestream Audience'?

The world of world records is filled with extraordinary achievements, including some remarkable brand collaborations that have made history. These partnerships have resulted in products that broke records for sales, size, participation, or other notable metrics. Test your knowledge about these record-setting brand collaborations that earned their place in the record books!

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OnePlus and Hasselblad camera launch (2021)
Samsung and Microsoft Xbox gaming phone launch (2020)
Xiaomi and Leica smartphone camera launch (2022)
Realme and Coca-Cola phone launch (2023)