ET breaks news that "Private Practice" star Kate Walsh's husband Alex Young has filed for divorce from the actress. ET was first to obtain the divorce filing.

Reps for the pair tell ET, "Papers have been filed to amicably end the marriage of executive Alex Young and actress Kate Walsh. The couple remain on friendly terms and sincerely hope the media will respect their privacy during this difficult time."

In divorce papers, Young cites irreconcilable differences as the reason for the split. The date of separation is listed as November 22, 2008, just before the Thanksgiving holiday.

Kate and Alex have been married since September of 2007. The couple got engaged in May 2007 after a whirlwind courtship.