Photo Credit: Jason Merritt/Getty Images for Dell; Jason LaVeris/FilmMagic
Sorry, Vampire Diaries fans -- but Nina Dobrev has moved on from her co-star/former boyfriend Ian Somerhalder. Now she's dating her best friend Julianne Hough's older brother, Derek Hough!
"[Nina] was hanging a lot with Derek's sister Julianne," a source told Us Weekly. "Then she fell for him."
It seems she fell hard! The actress congratulated her new beau on his Emmy win via Instagram.
"@Derekhough !!!!!!!! #EMMYWINNER I cant express in 140 characters how unbelievably excited+incredibly proud I am of you. You deserve this :)," she posted on Sept. 23.
She followed up the heartfelt message with, "@derekhough Those of us touched by your light got to watch you brighten up the rest of the world. Keep shining!"
Dobrev isn't the only one in the relationship who has fallen head over heels.
"Derek is smitten with Nina," the Us source continued. "He said he hasn't felt this way for a girl in a long time. … Everyone approves!"
Even cuter: On Sept. 19, the dancer requested shoes "for his girlfriend" at the Kari Feinstein Emmys Style Lounge and texted Dobrev for her shoe size, an eyewitness told the magazine.
We love that Dobrev fell for her best friend's brother -- after all, that makes family get-togethers much more fun! But we can't help but mourn the end of a possible reunion between Dobrev and Somerhalder, her boyfriend of three years. The pair called it quits in May.
Despite the breakup, the co-stars continue to be friends. On Sept. 9, Somerhalder posted a photo of his ex's Cosmopolitan magazine cover, congratulating her and urging fans to buy the magazine, while she posted a photo of him holding his Visionaries award on Sept. 25.
Will filming the new season of Vampire Diaries turn awkward now that Nina has a new man? Hopefully not!
Teresa Roca is an iVillage contributing writer. Follow her on Google+.