SPEARS’ NEW PAL LUFTI HAS DISTURBING PAST

Since last summer, when Britney Spears' pal Sam Lutfi appeared out of nowhere, the 33-year-old so-called film producer has become an integral part of the pop singer's life.

He's called Ryan Seacrest's radio show to denounce rumors that she's pregnant, organized her 26th birthday party and stayed overnight at her homes — platonically.

But in the the current issue of Us Weekly, there may be good reason for concern.