'I've never been more proud of myself,' the actress wrote.
Rumer Willis revealed she is six months sober!
The 28-year-old performer opened up about her sobriety in a personal post on Instagram over the weekend.
WATCH: Rumer Willis Channels Mom Demi Moore's '90s Gap Ad in New Photo Shoot
"I will be the first one to say I'm not perfect and I mess up sometimes and every once in a while I get it right but I wanted to share this because I am really proud of myself," she wrote, captioning a minimal makeup photo of herself smiling, with tousled hair.
"Yesterday I celebrated 6 Months of Sobriety," the Empire actress continued. "It's not something I planned on but after the long journey of getting here I can honestly say I have never been more proud of myself in my entire life. Thank you all for the love and support and remember to be gentle with yourself."
Willis later shared a photo of herself rocking a pale blue one-piece swimsuit, which she captioned: "Blue is the warmest color."
NEWS: Demi Moore and Her Look-Alike Daughters Pose Together at Wedding
ET caught up with the actress in May to talk about what it was like having her famous, lookalike mom, Demi Moore, join her on the cast of Empire.
See what she had to say in the video below.