Knight started her dancing career in the United States as a specialist dancer and featured on music videos and as part of a number of professional dance teams . In 2003 , Knight became a professional cheerleader for the NBA team the New Jersey Nets for a period of two years . She remained as a cheerleader in the NBA and also was a cheerleader for the New York Knicks dancing with them until 2007 . During this period , she also appeared on '' Saturday Night Live '' as a dancer in 2006 . Her music video dancing led her to perform with John Legend , Gym Class Heroes and Fergie from 2007 onwards . In 2009 , she featured on the cover of Dance Spirit Magazine . She danced for a number of music artists from 2007 onwards , including Taylor Swift . Knight was interviewed on a VMA after show in 2010 discussing Swift 's recovery , following Kanye West 's controversial appearance on stage with Swift while she was receiving her award at the 2009 MTV Video Music Awards . Prior to this , she danced for the likes of Beyoncé . She also spent 6 seasons as a Radio City Rockette
2009 MTV Video Music Awards
2009 MTV Video Music Awards
Keltie Knight