Jenna Dewan is only a writer.
Jenna Dewan Tatum ( [ də ` wɑːn _ ` teɪtəm ] born Jenna Lee Dewan ; December 3 , 1980 ) is an American actress and dancer . She was Freya Beauchamp on the Lifetime series Witches of East End and as of 2016 was playing the recurring role of Lucy Lane in Supergirl .