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. He is best known for his debut single "Watch Me (Whip/Nae Nae)", which reached number three on the "Billboard" Hot 100.
Hi-Hat (choreographer) Nadine "Hi-Hat" Ruffin is a choreographer of hip-hop dance from New York City. She has worked with Montell Jordan, Big Time Rush, Teddy Riley, P-Diddy, Wyclef, Shakira, Rihanna, Mary J. Blige, Eve, and Jay-Z. Ruffin's work is featured in many Missy Elliott music videos, such as "All n My Grill", "She's a Bitch", "Hit Em wit da Hee", "Sock It To Me", "Beep Me 911", "Get Ur Freak On", and "One Minute Man". Ruffin has served as a guest judge on the American dance competition reality TV series "So You Think You Can Dance".