Kelly Clarkson files for divorce from husband Brandon Blackstock

Kelly Clarkson has filed for divorce.

The singer filed for divorce from husband Brandon Blackstock in Los Angeles on June 4, ET confirms. ET has reached out to Clarkson's rep for comment.

Clarkson and Blackstock tied the knot in 2013 and share two children together, 5-year-old daughter River and 4-year-old son Remington. The couple's split comes as a surprise to fans; Blackstock wished Clarkson a heartfelt happy birthday on her talk show in late April.

The American Idol alum's daughter started the video with a touching promise for her mom. "I love you, momma," she said. "I hope you have a good birthday day and I love you so much. And I would sing a special song for when it’s your birthday, well, today."

Remy, was up next to share his birthday wishes, before Blackstock's 13-year-old son, Seth, chimed in. Blackstock rounded out the video, which was filmed outdoors in Montana, where the family has been self-quarantining. Blackstock is also dad to 18-year-old daughter Savannah, though she didn't appear in the video.

"Just now seeing this and I am bawling! They’re all so cute!" Clarkson gushed over the video. "I’ve had a bit of a rough week and this just turned it around 🤗❤️🥰😘😊."

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