A source close to Brooke said at the time, she "partied for four days straight ... and ultimately fell off the wagon".
The insider added: "Brooke's family is hoping that she finally understands the consequences of her actions. That is, she risks losing all of her rights to the children if she doesn't get clean - once and for all."
Brooke,34, is said to have missed Mother's Day with twins, Bob and Max, on May 13 while partying and her mother Moira Fiore was looking after the kids.
However, Brooke's representative Steve Honig claims her recent hospitalisation was planned.
He said: "As part of her ongoing treatment and as planned, she voluntarily checked herself into a rehab facility several weeks ago."
- BANG! Showbiz