12 Celebrities Who Have Been Unapologetically Real About Their Mental Health

"As many of you know, around a year ago I revealed that I have lupus, an illness that can affect people in different ways. I've discovered that anxiety, panic attacks and depression can be side effects of lupus, which can present their own challenges," Selena told People. "I want to be proactive and focus on maintaining my health and happiness and have decided that the best way forward is to take some time off."