Louisa Claire Lytton (born 7 February 1989) is an English actress and dancer. She is known for her television roles as Ruby Allen in EastEnders (2005–06, 2018-), and PC Beth Green in The Bill (2007–09). She also finished fourth in series 4 of Strictly Come Dancing in 2006 and represented the UK at the Eurovision Dance Contest 2008, finishing ninth. Her theatre credits include playing Betty Rizzo in the 2017 UK touring production of the musical Grease.