Britney Spears back to drinking and smoking again.

Britney Spears is drinking and smoking again, chasing away the baby blues only three weeks after giving birth. Sources say the 23- year-old, who gained 40 pounds during her pregnancy with son Sean Preston, is miserable because she's overweight and stuck in the house recovering from her C-section.

Worse still, the pop princess seems to be having trouble coping with her role as a new mom — and insiders say breaks into crying jags at the drop of a hat.

Said one source: "I think Britney is having a very hard time right now. She hasn't lost the pregnancy weight and she's desperate to get back in superstar shape and resume her career. . . . . .Full Story