In a series of tweets posted to her feed on Monday, the 29-year-old singer revealed she suffers from bipolar disorder.
"For the longest time, I didn't understand why I felt so sick," she explained. "Why I felt lows that made me not want to leave my house or be around people and why I felt highs that wouldn't let me sleep, wouldn't let me stop working or creating music. Now I know why."
"I'm bipolar and I'm not ashamed anymore," she continued, adding that she was "crying [her] eyes out" after the courageous reveal.
For the longest time, I didn’t understand why I felt so sick. Why I felt lows that made me not want to leave my house or be around people and why I felt highs that wouldn’t let me sleep, wouldn’t let me stop working or creating music. Now I know why.
The "I'm a Mess" singer also teased that she is working on her sophomore studio album, following 2018's Expectations.
"This next album will be favorite album ever because I'm not holding anything back," she exclaimed. "I love you all very much. And I hope you accept me as I am. I don't want you to feel sorry for me. I just want you to accept me. That's all. Love you."
This next album will be favorite album ever because I’m not holding anything back. I love you all very much. And I hope you accept me as I am.
ET recently caught up with Rexha on the red carpet at the iHeartRadio Music Awards in March, where she revealed the hilarious (but important) advice she'd tell her younger self.
"I'm working on my album and it's a really awesome moment because I feel like I can do anything that I want," she said. "I've been at the bottom, so I'm not really scared of doing something stupid and falling again. To me, it's like, I'll do whatever feels right."
"[I'd tell myself] Don't be so f**king worried all the time," she added. "Take a deep breath!"