"There is a witch hunt for people to be pregnant whenever they get engaged in Hollywood," he wrote to MTV News Monday. "This is all news to me. I can't wait for the story about how I'm really in a gay relationship and this is all just a cover ... I mean really, this is crazy ... I mean we're engaged, that's true, and happy about it."
When asked about the pregnancy, reported by multiple outlets Monday, a rep for the couple would only say, "We are thrilled to confirm their engagement and congratulate this happy couple. Beyond that there is nothing to add."
The singer, 23, and Wenz, 28, the bassist for Fall Out Boy announced their engagement on April 9. Simpson's father, Joe, told PEOPLE he was "totally happy" and "so excited to have Pete as part of [our] family."