**** ON THE NEWSSTAND **** Snooki In Us Weekly The cover story of the new issue of Us Weekly is an interview with Nicole “Snooki” Polizzi, star of MTV’s Snooki & JWoww, on her extreme 42-pounds-lighter makeover! The former Jersey Shore party girl, 25, has experienced a complete life makeover since last year, thanks to her engagement to boyfriend Jionni LaValle, her first-ever pregnancy, and the August birth of her adorable baby boy Lorenzo. "When you have a baby, everything changes," the 4-foot-9 star says. Part of Snooki's transformation? She's shed an astounding 42 pounds since giving birth, weighing in at a 102 pounds and revealing the sexy results for Us in body-revealing bikinis. "I lost it for me," she tells Us, "but I also wanted Jionni to know that I can be hot as a mom." LIAM AND MILEY Also in the new issue is a feature on the rumors that engaged couple, Liam Hemsworth and Miley Cyrus,...