Little Mix star Leigh-Anne Pinnock has responded to claims she broke the rule of six at her birthday party.The Shout Out To My Ex singer, 29, enjoyed a lavish dinner at Sumosan Twiga in Belgravia, London on Saturday night. Leigh-Anne, who is engaged to footballer Andre Gray, shared videos of herself and some friends dining on Japanese and Italina cuisine at the swanky eatery on her Instagram.