Britney Spears has lost weight, now only if she could lose K-Fed!

UsWeekly magazine reports that Spears was spotted at Planet Blue on October 9 shopping for new clothes after shedding 25 pounds, allegedly without a trainer, pills or nutritionist.

"She is not treating herself with food and desserts anymore," says a family friend of Spears, who gave birth to her second child, Sutton, on September 12.

According to an employee at the store, Spears gushed that she was "a whole new size--an 8," and needed "all new clothes."

Spears'weight jumped from 120 to 160 during the pregnancy, but she she took off the pounds with diet and exercise.