Rihanna is known for her amazing vocals, revealing outfits and goddess-like legs and curves. It’s evident she works hard to keep that body and in past interviews she has even confessed to working out at midnight to keep her body in shape. Now, her workout habits have landed her in some legal trouble as she is being sued by her past personal trainer, Cindy Percival.

Jenni Farley , aka Jwoww, on the MTV reality series Jersey Shore has one incredible body. In the past she has said that she follows the low-calorie HCG diet to keep her slim figure. More recently she claims that she hasn’t exercised in months because she is so busy.

Shiri Appleby, the star of the hit show on The CW, Life Unexpected , has just finished filming season one. Now that she’s finally got some time off she’s looking forward to long baths, going on dates and exercise

Move over Carrie Underwood , country music has got a new blonde bombshell in the works. Tony-nominated actress, Laura Bell Bundy, is a little pint-sized energy-driven singer that will soon release her debut album, Achin’ and Shakin’ .

This week Michelle Obama launched her first policy initiative as the First Lady. During her first year in the White House she was always vocal about healthy eating and exercise by campaigning for local foods , teaming up with Sesame Street and hosting a healthy kids fair . This new initiative, Let’s Move, aims to teach kids how to increase their daily exercise.