Little Mix's Jesy Nelson has seemingly confirmed her romance with Our Girl actor Sean Sagar, weeks after denying they were an item and insisting they were just friends.The singer, who split from Love Island's Chris Hughes in April, uploaded a photo of Sean cooking to her Instagram Story, captioning it, 'God I'm a lucky girl.'Sean, who is most famous for his role in the BBC One drama Our Girl, can be seen standing at the stove, dressed in a pair of joggers, a grey vest and a baseball cap,