Kid Cudi just entered rehab for depression and suicidal thoughts. Here are other celebrities who have struggled with mental health issues.

Kid Cudi just entered rehab for depression and suicidal thoughts. Here are other celebrities who have struggled with mental health issues.

Kid Cudi just entered rehab for depression and suicidal thoughts. Here are other celebrities who have struggled with mental health issues.

"It took me a while to get to this place of commitment, but it is something I have to do for myself, my family, my best friend/daughter and all of you, my fans," he wrote.