Last year's Strictly winner Kelvin Fletcher will perform a socially-distanced dance routine with Oti Mabuse on this year's upcoming launch show. The Emmerdale star, 36, will dance alongside his former partner Oti during Saturday's extravaganza but the couple will make sure to stay two metres apart, reports The Sun. Precautions: Last year's Strictly winner Kelvin Fletcher will perform a socially-distanced …