Gordon's mother, Michelle, and attorney checked him into the treatment facility after an intervention with Dr Phil in Atlanta earlier this week, reported E!Online.
It's unclear why Gordon entered the rehabilitation program for, however, many of his close friends and family where concerned about his wellbeing after he posted a series of what appeared to be suicidal tweets.
"I'm so hurt I wanna do myself in. I know I have to (stay) strong," Gordon had tweeted.
Then on Bobbi Kristina's birthday, he wrote a heartfelt message to his loved one for his thousands of followers to see.