Sep. 29, 2010 at 11:18 AM ET
Visit msnbc.com for breaking news, world news, and news about the economy Johnston also addresses talk of his rumored girlfriend, Brittani Senser. According to Johnston, they aren't a serious item. "We did a music video together, we kicked it off. We hung out, made a great video together, and that's it." Watching the entire interview is strongly recommended.