To be a good example for children. "Melissa knows that fans love her big and beautiful, and she’s not obsessed with dieting; she’s looking for a happy medium," a source close to the star said about Melissa McCarthy's recent weight loss which the star credits to a high-protein diet. "She realized she wasn’t being as healthy as she could be. She wants to set a good example for her kids and wants to be around to become a grandmother too." (We love talking about Melissa's smart approach. But here are 20 Celebrity Bodies We Need to Stop Talking About.)