Keith Justin Hetrick has worked with an American rapper who is best known for "Watch Me (Whip/Nae Nae), which reached what number on the Billboard Hot 100?
Silentó: Ricky Lamar Hawk (born January 22, 1998), better known by his stage name Silentó, is an American rapper. Silentó:  He is best known for his debut single "Watch Me (Whip/Nae Nae)", which reached number three on the "Billboard" Hot 100.
i don't know