Musical artist, Future, collaborated with Kendrick Lamar for the song: "Mask Off".

The answer is True because the musical artist Future did collaborate with Kendrick Lamar for the song "Mask Off." The collaboration happened in 2017 when Kendrick Lamar added a verse to the remix version of the popular song. This collaboration brought together two influential and successful artists in the rap and hip-hop genre, further boosting the popularity and impact of "Mask Off."