(music-news.com ) - Lily Allen has turned to 'Harry Potter' star Rupert Grint to help her through her heartbreak. The 'Smile' singer - who split from Chemical Brothers star Ed Simons following a miscarriage - enjoyed a heart-to-heart with the 19-year-old actor over dinner at a London restaurant last week.The couple hit it off when they met at the 'Harry Potter and the Order of the Phoenix' premiere last year.A source told Britain's Daily Star newspaper: "They swapped numbers then and although they texted each other quite regularly they didn't meet up. "Then when Lily split from Ed, Rupert offered her a shoulder to cry and she took it."They get on really well and he makes her laugh. Last week they enjoyed a Japanese meal together where they had a long intense talk as well as a few laughs."Lily, 22, is said to love how Rupert - who was recently rumoured to be dating 'Skins' actress Hannah Murray - makes her feel safe and protected. A source said: "Lily got really upset when people recognised them so Rupert protected her. She likes that."Lily is still dealing with a terrible start to the year and Rupert is really helping her through."