Actor Rob Lowe celebrated 23 years sober on Friday (10May13).
The Parks and Recreation star battled alcohol abuse issues in his 20s, and subsequently entered rehab, but he turned his life around in 1990.
In a post on his Twitter.com page on Friday (10May13), he writes, "Celebrating 23 years sober tonight. It works if you work it."
He later added, "I'm blessed to have your support."