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. Filmography Ruffin has choreographed the following television shows and movies: Bring It On Step Up 3-D Step Up 2 The Ellen DeGeneres Show Late Night with Jimmy Fallon Lopez Tonight 2009 American Music Awards Late Show with David Letterman Saturday Night Live Jimmy Kimmel Live! MTV Video Music Awards America's Got Talent The Oprah Winfrey Show The 51st Annual Grammy Awards Kung Fu Panda 4th Annual VH1 Hip Hop Honors I Now Pronounce You Chuck & Larry How She Move Stick It Chicken Little The 2nd Annual Vibe Awards Shark Tale The Girl Next Door The Nick at Nite Holiday Special The Hot Chick Clockstoppers Charlie's Angels The Rugrats Movie References Living people Year of birth missing (living people) American choreographers