Nina Dobrev, Ian Somerhalder split

Credit: RyanSeacrest.com

Another showmance bites the dust. With fangs, this time.

The Vampire Diaries' Nina Dobrev and Ian Somerhalder have split. The actors, who play Elena Gilbert and Damon Salvatore, respectively, on the hit CW series, have called it quits after more than three years as a couple.

Further background via US Weekly:

The couple, who first took their romance public in 2011, are "consummate professionals," the insider says, and "will continue to work together and remain best friends, which is where the relationship started."

Last fall, Dobrev opened up to Seventeen magazine about falling for Somerhalder. "I didn't want to be dating one of my costars -- my goal on the show was to be professional," she admitted. "But sometimes you can't help who you have a connection with, and you can only fight it for so long -- which I did for a really, really long time."

The Vampire Diaries is presently in its fourth season with a fifth season on the way this coming fall. Filming will begin later this year. In the meantime, the 24-year-old Dobrev will be shooting the upcoming film Let's Be Cops, which also stars Happy Endings' Damon Wayans Jr. and New Girl's Jake Johnson.