Rob Dyrdek Speaks out After Death of Former 'Rob & Big' Co-Star Christopher 'Big Black' Boykin

| TV and Movies

Rob & Big star Christopher "Big Black" Boykin passed away Tuesday morning at age 45, and his former co-star, Rob Dyrdek, used social media to speak out about the loss of his friend.

"My heart is broken," he tweeted. "I don't want write this post. I don't want to believe that this is reality. I am so thankful for you."

MORE: 'Rob & Big' Star Christopher 'Big Black' Boykin Dead at 45

"We truly were brothers that lived an unexpected unforgettable adventure," Dyrdek continued. "I just can't fathom that it would end so suddenly. You will forever be in my heart."