420 Celebrity Scramble Guess Who!

The article describes a celebrity who gained mainstream fame around 2010, collaborated with Charlie Puth for the "Furious 7" soundtrack in 2015, and is known to work out and smoke dope publicly. After considering various possibilities and aligning the clues best with Chris Brown's persona of a public figure who mixes his social activities with his career, it can be deduced that the unknown celebrity is **Chris Brown**. Answer: The unknown celebrity is Chris Brown.