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Britney Spears will reportedly leave rehab this week, having made what has been called “one of the most amazing turnarounds in celebrity memory.”

After an “amazing meeting” this weekend, sources say the recovering pop star and estranged hubby Kevin Federline have finally agreed to a 50/50 custody split for sons Sean Preston and Jayden James. The plan is for Britney to eventually gain primary custody and Kevin will have visitation.

With Britney’s discharge date looming, the question remains: Is she ready to leave rehab?

Us Weekly talks to Clare Waismann, a registered addiction specialist and executive director of the Waismann Method, to find out if the singer is ready to make a fresh start. Here’s a portion of the interview:

Us: Once Britney leaves her rehab facility, what are some of the next steps required for a successful recovery?

CW: “I believe that she’s going to need a wonderful psychiatrist who can chemically balance her. [I think] Britney has a long history of depression that has been misdiagnosed.”

Us: Recently Kevin Federline has stepped up to the plate and assumed the supportive father role. How important is he as a support system?

CW: “He’s supporting her as a father [to their children] and a husband and that’s the best support she can get right now.”

Us: How long does it typically take someone in Britney’s situation to get back on track?

CW: “It could take six months to a year. This time she will be very frail, not just mentally but chemically as well. Her body the last three years has gone through ups and downs with pregnancies and diets and divorces. All those things can cause chemical imbalances. She needs probably a year away from everything and everybody so she can at least stabilize herself.