Britney Spears has found an unlikely ally as she battles her demons in rehab – recovering cocaine addict Daniel Baldwin.

Movie star Baldwin met up with the pop star at the Promises rehab clinic in Malibu, California over the weekend and urged her to contact him if she needed to talk about her troubles.

A source says, “He gave her his phone number.”

Baldwin has since told TV news show Extra that his new pal seemed “a little fearful about her situation”.