Julianne Hough left her fans beside themselves as she posed in a serene selfie with her BFF, Vampire Diaries star Nina Dobrev.MORE: Julianne Hough's appearance inside home sparks major fan reactionThe pair, who recently launched their own wine company, posed together inside while wearing matching white tops.Nina also had on a striking red dress with white leaves dotted across it.WATCH: Julianne Hough gives stunning tour inside LA homeThe pair were in Napa Valley Wine Country to experiment with