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NEW YORK, NY - SEPTEMBER 09: (EXCLUSIVE COVERAGE) Rapper Kendrick Lamar arrives as the first announced musical guest on 'The Late Show with Stephen Colbert' at Ed Sullivan Theater on September 9, 2015 in New York City. (Photo by Taylor Hill/Getty Images)

NEW YORK, NY - SEPTEMBER 09:  (EXCLUSIVE COVERAGE) Rapper Kendrick Lamar arrives as the first announced musical guest on 'The Late Show with Stephen Colbert' at Ed Sullivan Theater on September 9, 2015 in New York City.  (Photo by Taylor Hill/Getty Images)