Love Island stars Hannah Elizabeth and Casey O'Gorman looked cosy during a recent night out with their co-stars.The pair have sparked romance rumours after being filmed dancing together. Model and TV star Hannah, 33, could be seen dancing in front of Casey, 27, in a clip shared by Demi Jones on Instagram.The Islanders all came together for a wrap party to celebrate the show's first All Stars series, which aired in January. "It's getting messy in here," Demi, 25, captioned the fun clip.