Karen Hauer (formerly Clifton; born 20 April 1982) is a Venezuelan-American professional Latin dance specialist and World Mambo Champion, best known for her appearances on the British television series ''Strictly Come Dancing''. She is currently the longest-serving professional dancer on the show, having joined in 2012. She also featured on the American TV series ''So You Think You Can Dance'', and was a principal dancer in the touring live dance show ''Burn the Floor''.
Provided by Wikipedia