Here's a Grey's Anatomy spoiler we didn't see coming.

According to court papers, movie exec Alex Young, 37, has petitioned for a divorce, citing irreconcilable differences with actress Kate Walsh, as of Nov. 22.

"The couple remain on friendly terms and sincerely hope the media will respect their privacy during this difficult time," they said in a statement Thursday.

Walsh, who went on to star in the mediocre spinoff Private Practice after making it big on Grey's Anatomy, wed Young – a production co-president at 20th Century Fox – on September 1, 2007, in the town of Ojai, just north of Los Angeles.

In October 2007, Kate Walsh talked about the pair's whirlwind relationship, telling Ellen DeGeneres, "There was this kind of funny moment, after we were like we're married and all of the hoopla was over and we were like, 'What do we do now?'"

Guess she ran out of answers to that question sooner than expected.