How did Snooki lose 42 lbs? Posted 8:15 am, March 7, 2013, by Web Staff, Updated at 06:02am, March 7, 2013 FacebookTwitterGooglePinterestRedditEmail × How did Snooki lose 42 lbs? Jersey Shore star Snooki has a new look. She’s lost 42 pounds and showed off her new body on the cover of Us Weekly. E! News reported on how the new mom lost the weight.