Karim Zeroual has split from his long-term girlfriend after sending explicit messages to another woman.The 26 year old lost out on the title of Strictly Come Dancing champion to Kelvin Fletcher and Oti Mabuse during Saturday night's grand final, but what viewers didn't know was that he had also lost his girlfriend. CBBC presenter Karim and Poppy-Hannah Birtwistle had been together for three years, but he had been messaging office worker Rebbecca Perrins behind Poppy-Hannah's back for 19 months.