The Nat'l Enquirer would have us believe that Mary-Kate Olsen is cheating on her boyfriend Nate Lowman with Superbad star Jonah Hill because the unlikely pair were seen on a date last week at the Chateau Marmont and both were wearing plaid shirts (she famously without pants). Of course, allegations have been bandied on slimmer evidence. (Cele|bitchy) ...

† tara 'queen of the drunks' reid has a new clothing line called mantra webster's is my bitch † jenna jameson confirmed she's pregnant w/ ultimate fighter boyfriend tito ortiz's baby cele|bitchy † kirsten dunst is busy having sloppy seconds with drew barrymore's ex justin long yeeeah! † mary-kate olsen forgot to wear pants at last night's radiohead show at the hollywood bowl dlisted † jennie garth says the brand new '90210' is way too racy for kids... i'm not obsessed † kanye west gets all cute and cuddly with his stylish new video ...