"The Vampire Diaries" stars Nina Dobrev and Michael Trevino are leaving The CW's supernatural drama after six seasons.

Dobrev made the official announcement Monday, after some cast and crew briefly posted photos of the actress on Instagram over the weekend with the hashtag #WeWillMissYouNina.

"I've just spent the most beautiful weekend on Lake Lanier in Georgia with my own TVD Family, the cast and crew of 'The Vampire Diaries,'" Dobrev wrote on Instagram. "I want to be the first to tell you that it wasn't just a holiday celebration, it was a goodbye party. I always knew I wanted Elena's story to be a six-season adventure, and within those six years I got the journey of a lifetime. I was a human, a vampire, a doppelganger, a crazy immortal, a doppelganger pretending to be human, a human pretending to be a doppelganger. I got kidnapped, killed, resurrected, tortured, cursed, body-snatched, was dead and undead, and there's still so much more to come before the season finale in May. Elena fell in love not once, but twice, with two epic soulmates, and I myself made some of the best friends I'll ever know and built an extended family I will love forever."

Trevino, who played Tyler Lockwood, was cast last month in ABC's "Revenge" spinoff "Kingmakers."

“Michael has been a beloved member of the 'Vampire Diaries' family since day one," Executive Producer Julie Plec said in a statement. "Even though he’s also going to be out in the world exploring new opportunities, we look forward to finding creative ways to make sure he and his character Tyler Lockwood always remain a part of the show.”