Love Island winner Kai Fagan sent fans into a frenzy after sharing a picture of his girlfriend Sanam Harrinanan wearing a sparkling ring.The 25-year-old posted a stunning picture of Sanam flashing a silver band on her ring finger, leading their followers to speculate they were engaged.The couple, who won the winter series of the ITV2 show in March, captioned the photograph "made a promise" with a ring emoji, adding to speculation. Hundreds of fans rushed to the comment section, to ask if the post was an engagement announcement, leading to Kai clarifying that it was in fact a promise ring.