We're guessing Diane didn't give Josh Brolin any candy hearts this year.

Of all the days she could choose, Diane made her split from Josh official by signing divorce papers on Valentine's Day, according to People. Ouch!

In the divorce papers, Diane cited February 13 as the official date of their separation, but sources say they actually separated prior to that.

"They've been separated for several months. This was a hard decision for both of them to make," a source says of the split. "The relationship just ran its course."  

The couple got married in 2004 and had been introduced in 2002 by Josh's stepmother, Barbra Streisand.

We wish Josh and Diane the best during this tough time. Let's hope next year's Valentine's Day is a happier one.

Source: People