Breaking Dawn? More like, breaking up.

As it turns out, one of the two couples affected by last summer's Kristen Stewart-Rupert Sanders hook-up is now officially dunzo. That's right: Rupert's wife, Liberty Ross, is filing for divorce, according to TMZ.

Liberty and Rupert tried to make things work following his shocking fling with Kristen, as he and Liberty even went so far as to see a shrink several times. Sadly, they've finally given up.

Liberty is said to be asking for spousal support and joint custody of their two children, who are ages 5 and 7. 

Rupert and Kristen met while he was directing her in the 2012 film Snow White and the Huntsman. As for what happened next, well... we think you may have heard.

We wish the couple and their children all the best during this tough time.

Source: TMZ