The couple had been together for three years. Shortly after the news of their split broke, Ian posted a quote from deceased playwright Lillian Hellman:
"A thought for today: 'People change and forget to tell each other.'"
Is that a thinly-veiled shot at Nina? A commentary on relationships in general? Just a cool quote he came across and likes that has no bearing on this?
We don't know, and likely never will. Yet it's hard not to speculate.
The single star, 34, has not commented on the split, going on to say that he is off to meetings in Brussels, Belgium, for his Ian Somerhalder Foundation.
Dobrev, 24, is gearing up to film the Fox movie Let's Be Cops, which also stars New Girl's Jake Johnson and Happy Endings' Damon Wayans Jr.
In the last month, Dobrev has been spending time with another newly-single beauty, Julianne Hough, at the MET Gala and on the beach in Miami.
The Vampire Diaries is all new tonight on the CW, where you'll get to see their on-screen chemistry through at least 2014. It got the green light for a 5th season!