Britney Spears' Diet Secrets Revealed

Britney Spears’ appeared on How I Met Your Mother looking fit and healthy, and now a magazine is revealing how she lost the bulge.

OK! reports that Britney looks as though she’s lost 15 pounds in a month.

"Britney's a pro at losing weight fast," a Spears pal tells the publication. "She can drop seven to 10 pounds in two weeks."

However, gone are the days when the Toxic singer used short-term weight-loss solutions such as popping laxative and diet pills.

Britney has replaced junk food for five small protein-packed meals a day which has helped her regain her once famous physique.

Dr. David Katzin of Fresh Diet, a meal delivery program tells OK!: "Eating five meals a day will boost your metabolism. In fact, by eating superclean, Zone balanced foods at each of your five meals, you will find that your metabolism goes into overdrive, becoming extremely efficient at burning calories."

Even the Frappaccino fixes have been ditched. A barista at Starbucks Malibu said: "Britney used to come in every day. Now she just comes in from time to time and orders a lighter version."

This is all on top of regular exercise in the from of dance classes at L.A.’s Millennium Dance Complex, where sources claim she does squats along with chair and pole dancing.

All the hard work she's doing seems to be paying off. Keep it up Brit Brit!