Louisa Lytton has said she's signed up to be an NHS volunteer to help the nation's health workers combat the coronavirus.The EastEnders star, who plays Ruby Allen on the popular soap, is currently isolating with her fiancé Ben Bhanvra and has decided to do something proactive in aid of the NHS. She took to her Instagram Stories to share the news by posting a photo of herself in grey jogging bottoms paired with fluffy pink slippers.