Okay so I did post this up as a link but anyway I'll post here.An interviewr asked him about it :
Somerhalder: That is a rumor that, uh, I didn’t know Stephenie Meyer wrote a book called The Host. But, I, apparently it’s going to be a big movie. Ummm…
Reporter: [chuckles] Yeah.
Somerhalder: I, you know, I don’t know. I think it was definitely rumored, but I don’t know. Who knows? [shrugs] Link :
link