is definitely the hostess with the mostest in her extremely snug dress-and by mostest, we mean... well, just see for yourself: Jwoww
seems to be trying to give Heidi Montag
a run for her money in the chest department, doesn't she?
The "Jersey Shore" star was the host (or hostess) at Pure Nightclub in Caesar's Palace last night-and she certainly dressed for the occasion. Jwoww
dropped jaws in a staggeringly tight blue dress, which ...