CW unveiled another heartbreaking teaser for "The Vampire Diaries" upcoming sixth season.

In the trailer, Elena, played by actress Nina Dobrev is featured mourning the loss of her ex-boyfriend Damon, played by Ian Somerhalder.

But what may come as a shock is Stefan's, played by Paul Wesley, new love interest.

It is unclear whether or not the Stefan's new flame will be part of his life for a long time, so watch the teaser and be the judge.