By Ariana Bacle
Updated December 10, 2015 at 10:02 PM EST
Credit: Grant Lamos IV/Getty Images

Kristin Cavallari’s brother, Michael, was found dead Thursday after being reported missing since Nov. 27. The Laguna Beach alum posted a message about his death on her Instagram soon after news broke.

“My heart is in a million pieces,” she captioned a photo of the two as children. “Mikey, I could always count on you to make me laugh. You had such a good heart and will be forever missed.”

“I’m at a loss for words but I know u are in a better place and finally at peace,” she continued. “I love u so much RIP.”

See the post below.