1. Missy Elliot said she lost weight by giving up bread and any drink beside water. 2. Jonah Hill said he asked Channing Tatum for advice, got a trainer and ate healthier. 3. Chris Pratt lost weight by giving up beer and working out for three or four hours a day. 4. Nicole “Snooki” Polizzi lost weight by simply working out a lot. 5. Miranda Lambert shed some pounds by focusing on eating better.