Selma Blair has just finished a secret 30-day stint in rehab for substance abuse.

According to US reports, Selma has had an addiction problem for some time, but her drug abuse escalated rapidly after her divorce from husband Ahmet Zappa last November.

While Selma, 34, managed to hide her drug problems in public, friends and family became increasingly concerned about her. In March she realised she'd lost control of her life and entered the Promises Treatment ...