Joe, 20, has vowed to stay a virgin until he gets married, so was not happy when Canadian Zack Taylor suggested that Joe and Demi were “friends with benefits".
The singer"s attorney sent a letter to Taylor blasting him for a story he posted which implied that Jonas and Lovato are involved in an illicit relationship.
Jonas" lawyer claimed that the story is 'completely false, offensive and defamatory" and has accused Taylor of a 'malicious attempt to attack and devalue Joe"s good name and reputation," according to the letter.
“We are currently reviewing the situation and letter. However, at this time we do stand by our sources and their claims," TMZ quoted Taylor as saying.