She admits she's packed on the pounds since joining the Jersey Shore cast, but now Nicole "Snooki" Polizzi is making a New Year's resolution to shed the extra weight and curb her boozing.

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The curvy firecracker is so concerned over her expanding waistline that she won't even get on the scales, but now she says she's ditched her sugary cocktails and junk food in favor of exercise and salads, and she isn't happy about it.

EXCLUSIVE PHOTOS: Underage Snooki Boozes

"It sucks," she told Ryan Seacrest in a radio interview on KIIS-FM  on Thursday. "I can hardly drink and if I do drink it has to be vodka seltzers and I can only have, like two.