New Kids on the Block‘s Jonathan Knight is ready to put a label on it.. The singer revealed that he and longtime boyfriend Harley Rodriguez are officially engaged on Tuesday. Jonathan Knight; Background the National Enquirer published an article from his ex-boyfriend which Knight has been in a relationship with Harley Rodriguez as. Jonathan Knight is engaged to his longtime boyfriend Harley Rodriguez. “We were in Africa, our parents were there — our moms were there — and I just figured this was the time to pop the question and make it official,” Knight, 47, shared on Tuesday’s episode of Sirius’ “The Jenny McCarthy Show.”.