Kendrick Lamar honored LeBron James' homecoming to the Cavaliers' last night by performing at NBA's Opening Week concert. The show took place outside of Cleveland's Quicken Loans Arena, where he did his new single "i" for an energetic crowd of NBA fans. Other celebrities who attended the Cavaliers' season opener were Justin Bieber and Usher, who sang the national anthem. Watch the performance below -- it starts 1t 1:40.
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