Dancing with the Stars' Melissa Joan Hart has lost 20 pounds.

According to reports, actress Melissa Joan Hart is sporting quite the sexy figure from her days on Dancing with the Stars, dropping nearly 20 pounds on the show.

OK! Magazine showed before and afters of the Sabrina star from January to now and says the training for Dancing with the Stars has left the 5-foot-2 and mother of two looking "super toned".

Robert Ferguson, M.S.C.N., author of The Food Lovers Fat Loss System and contributing commentator for the magazine says of Hart, "She's lost about 20 pounds and looks absolutely fabulous."

To lose weight in stay in shape, experts recommend getting at least 10,000 steps a day to promote optimal health and wellness.

But when walking becomes boring, Oxygen magazine says dancing is the perfect workout alternative.

The magazine says new research indicates that a two-hour dance class such as foxtrot or tango can add as many as 2,000 steps to your daily total.

While you may not lose as much as Melissa Joan Hart, Oxygen says that more challenging dance routines will elevate your heart rate, helping to burn calories and sculpt the legs (November 2009).

As far as what Hart is eating on the show, she's keeping her body constantly fueled with healthy grub.

Hart eats six small meals a day, starting with morning protein shakes mixed with fruit and fiber.

For lunch, Hart enjoys chicken wraps or chicken tacos.

Keep up with the latest Dancing with the Stars news by clicking here to subscribe.