Nina Dobrev may be leaving The Vampire Diaries after season six.

Nina Dobrev will appear on the television show "The Originals" on episode 5 of their second season.

According to some reports Dobrev's brief appearance in "The Originals" might be augmented because Nina is allegedly not comfortable working with ex-boyfriend Ian Somerhalder on The Vampire Diaries.

Some reports say Dobrev is tired of running into Nikki Reed on the set of "The Vampire Diaries."Julie Plec, the writer and creator of both series, told assorted media that "There was a character's name introduced a long time ago in season three in association with Klaus and Elijah and how they became vampires and a girl that they both loved a long time ago who was the original doppelganger, Tatia. So Nina Dobrev will be visiting 'The Originals' for a nice little storyling in our fifth episode which airs November 3." 

Nikki Reed may end up breaking up with Ian Somerhalder because of Nina Dobrev. According to Celebrity Dirty Laundry,Somerhalder and Reed are sharing a home in Atlanta where Vampire Diaries shoots. 26-year-old Nikki is still legally married to Paul McDonald.
Ian Somerhalder and Nikki Reed started dating a few months ago, but source are saying that the 25-year-old actress from Bulgaria's ex is already talking about getting engaged. Nikki Reed, who is Nina's friend, 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.

In the middle of reports that Somerholder and Nikki are planning to get married soon, Celebdirtylaundry reported "Our sources say that the tension on set has already ramped up since Ian and Nikki started dating, and it only got worse as he continued bringing her to set. Granted, it was never as happy-go-lucky as it used to be after Ian and Nina broke up, but things definitely took a turn for the worse after Ian started making puppy eyes at Nikki."
Vampire Diaries season 6 could be last for Nina Dobrev, according to Celeb Dirty Laundry. 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. 

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.