Louisa Claire Lytton (born 7 February 1989) is an English actress born in Camden and living in Islington. She rose to fame in 2005 when joining EastEnders as Ruby Allen. After leaving EastEnders in November 2006, Lytton joined The Bill as PC Beth Green, a role she played from May 2007 to March 2009. She also appeared on Strictly Come Dancing in 2006. Lytton also represented the UK at the Eurovision Dance Contest 2008 in Glasgow and finished in 9th place out of 14 with 47 points.