John Lowe, the younger son of Rob Lowe and his wife Sheryl Berkoff, shared two photos on Instagram Wednesday: one image of him drinking what appears to be alcohol from the bottle, and another of a chart showing how long he's been sober. In the caption, he wrote that he hadn't been vocal about the issue before \"because I felt it was something I wanted to keep personal,\" but decided otherwise when the milestone came about.

\"Two years in and I am more grateful than ever to have a community of support and friends who continue to build me up and hold me accountable,\" he wrote. \"Making the decision to change your life is difficult at any age, but as a young person I hope that I can be a small example that it is possible and that things really do get SO MUCH BETTER.\"

\"It’s an incredibly strange and tense time in our world right now, and my heart goes out to everyone going through something, but today I am especially aware of the addicts who are looking for help and having a hard time finding it,\" he continued. \"If this is the case and you’re reading this, reach out to someone: a friend, a family member, me... and go online and find a ZOOM AA meeting and JUMP IN!! Love you all.\"

Rob Lowe, 56, has also been open about his journey with substance abuse, sharing with his Instagram followers last May that he was celebrating 29 years of sobriety.

View this post on Instagram

Today I celebrate 29 years of sobriety. Thank you to all those who have inspired me on this wonderful, challenging and life-changing journey. If you, or someone you know, are struggling with alcohol or addiction, there CAN be a future of hope, health and happiness . And it comes one day at a time. #recovery #ItWorks.

A post shared by Rob Lowe (@roblowe) on May 10, 2019 at 10:31am PDT

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