Leigh-Anne Pinnock has appealed to fans for help after her niece went missing. The Little Mix singer has asked her followers to share an urgent appeal after her 13-year-old niece Faith disappeared in High Wycombe without her phone or any money. Alongside photos of Faith, she wrote on her Instagram Story on Monday evening (22.07.24): “Please share. My niece Faith is missing. “She was last seen wearing a black crop top, black leggings with a Jordan backpack in High Wycombe town centre. “Please share, we are extremely worried, she has no phone or money. “Police have been informed but we are yet t…