BRITNEY'S NEW BEAU IS SEX-MAD

Britney Spears' new paparazzo lover is ''mad and sex-mad,'' according to his ex-girlfriend.Nichole Grimes "fell-head-over-heels" for Birmingham photographer Adnan Ghalib - who is now dating the "Gimme More" singer - only to discover he was cheating on her with her best-friend.Nichole, 35, said: "Britney should watch out - he's wild. To say he was a ladies' man was an