Britney finally pulls it together

Thanks to the ever-present paparazzi, we've all been watching Britney Spears shape up since leaving rehab a few weeks ago. "After all the negative stuff, she's getting back to her 'fighting weight,'" says one of the popstar's business associates. And a bystander was wowed to see Spears's new svelt bod as she shopped in Bel Air last week, saying, "She looked totally healthy and beautiful. and her