Kristin Cavallari Posts Tribute To Brother Michael: Found Dead in Utah at Age 30 [VIDEO]

Kristin Cavallari is obviously heartbroken over news of her brother Michael Cavallari's death. Her 30-year-old brother was found dead in Utah, after being reported missing two weeks ago. The 28-year-old former reality star and designer took to Instagram on Thursday, posting a tribute to her big brother on social media.

She wrote, "My heart is in a million pieces. 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. I love u so much RIP."

 My heart is in a million pieces. 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. I love u so much RIP

A photo posted by Kristin Cavallari (@kristincavallari) on Dec 10, 2015 at 1:42pm PST

Michael had been missing since Nov. 27 and his car had been located in a remote area near Grand County, Utah.

There are reports he was on his way to visit his famous sister, who recently gave birth to her third child with Jay Cutler.

Cavallari appeared hopeful her brother would be located several days ago, thanking everyone for their thoughts and prayers on Instagram.

I appreciate all the concern, thoughts, and prayers that have been extended to me and my family. We remain hopeful and I will share any news that we receive. I have such gratitude for all those that have shared their support. A photo posted by Kristin Cavallari (@kristincavallari) on Dec 7, 2015 at 7:33am PST

Kristin's older brother reportedly suffered from mental health issues and had been battling alcoholism.