'Big Brother': Talk about the season 13 contestants � and the new duos � here!

Image Credit: Cliff Lipson/CBS Prepare to warm up your inner Zingbots : Season 13 of Big Brother is launching tonight, complete with (what else?) a new twist. This season, the CBS show has introduced us to with eight new cast members, with the promise that the other half of the house will be made up of famous Big Brother duos