By Sam Elliott-Gibbs After Katie Price was warned to stay away from JJ Slater by one Married At First Sight star, another has told them to have some fun. Katie surprised fans this month when details of a romance with 31-year-old fashion brand owner JJ emerged. The MAFS romeo – whose full name is John Joe Slater – has been pictured looking cosy with the star, who has moved to deny their are officially an item. Thomas Thomas Kriaras appeared on FUBAR Radio and spoke to hosts Bobby Norris and Ellen Coughlan about the stories. He said the speculated romance between JJ and the former glamour model …