Nathalia

Britney Spears has apparently revealed to doctors that her problems are not recent and she has been suffering from bulimia since she was 16.

Since going into rehab last week in Malibu, Britney has been opening up about her unhealthy lifestyle and eventually told doctors about the bulimia she has suffered since her teenage years.

A source told All Headline News: 'Her first week in detox was real hell. She was in a total mess but slowly she's pulling through.

'She was throwing the whole lot up, so, naturally, her medications weren't working. Now the medical experts know why, her progress should pick up a little speed.'

Soon to be ex-husband Kevin Federline has also been paying the singer a visit so that she can see her two boys who she misses.

Witnesses claim she looked visibly upset when her sons left but she is still enrolled at the Promises clinic.