It’s a star-studded lineup this week as Cher, Sly Stallone and PacMan all pop in to weigh in on a BIG problem: The unintended consequences of too many rounds on the HCG Diet. In case you haven’t noticed, the yo-yo HCG Dieter have taken over! You’ve seen them doing 4-10 rounds on HCG and bragging about it! Oy Vey! Pinheads doesn’t even begin to cover it, does it? But you don’t see them bragging about how they still …