Jessica Simpson bought every member of her Weight Watchers group a pedometer

The generous star announced on her twitter page: "Just bought all the girls in my @weightwatchers group pedometers to track their steps. 10,000 steps a day = 5 miles! Let's step it up!"

Jessica gave birth to her first daughter with fianc Eric Johnson, Maxwell Drew, on May 1.

The 32-year-old designer recently revealed that she doesn't have a specific weight that she needs to reach in order to stay in line with her agreement.

She said: "There's not a goal weight - I just want to feel normal and fixate on inches.

"I really want to set small goals, so I'm constantly reaching goals and not looking at something so far ahead."

Meanwhile, a friend revealed that Jessica is committed to her exercise routine.

The divulged: "She understands it's a process. [She is] working very hard and she's excited."