Nina Dobrev may be leaving The Vampire Diaries after season six. The actress who plays the hypnotic Elena Gilbert in "The Vampire Diaries," may be leaving CW show after Season 6 amid rumors that her co-star and former boyfriend Ian Somerhalder is dating Nikki Reed. Nina Dobrev and Ian Somerhalder have managed to remain friends after ending their 2-year relationship in 2013.

Ian Somerhalder and Nikki Reed started dating a few months ago, but sources say their relationship is moving very fast. Some sources are saying that the 25-year-old actress from Bulgaria's ex is already talking about getting engaged.

In the middle of reports that Somerholder and Nikki are planning to get married soon, Reed has reportedly been showing up on the set of The Vampire Diaries and hanging out with Ian and Nina Dobrev, pretending to be friends but secretly cursing each other out under their breath. According some reports, Nikki is scared that Ian Somerhalder and Nina Dobrev may reconcile if left alone.

Celebdirtylaundry reported that Nina is tired dealing with her "The Vampire Diaries" co-star Ian Somerhalder as he flaunts his new relationship Nikki Reed, who is Nina's friend, while on the set of the show. The Inquisitr says that Nikki's constant presence on the set with Ian may have been uncomfortable for Nina.

'The Vampire Diaries' princess, Nina Dobrev is constantly linked men that she works with.  Nina has been romantically linked to Liam Hemsworth, Derek Hough, and Orlando Bloom. On August 22, Dobrev was spotted on yacht cruise with Alexander Ludwig, who worked with Nina on "The Final Girls," in Ibiza, Spain.

It has already been reported that "The Vampire Diaries: may come to an end after season six. Contracts are up for all the main characters.