rumours that singer Jesy Nelson and Our Girl actor Sean Sagar were dating started swirling in July last year, Little Mix fans were absolutely over the moon for their idol when she confirmed they were dating in September.However, just a month after she announced she would be leaving her bandmates Jade Thirlwall, Perrie Edwards and Leigh-Anne Pinnock, fans are convinced things are over between Jesy and Sean.The evidence you ask? Well, perhaps the most telling sign of a break-up in the 21st