Naomi's Baby Weight is Sucked off and a Twilight Star Bulks Up - January 9 to January 15

Seeking star inspiration for your workouts? Look no farther than That's Fit -- we've got it all. And we wrap it up for you each week to make it super simple to keep up with your favorite celebs.

All you have to do is click on your favorites above to see what he or she has been up to this week. Oh, and then, take that motivation and hit the gym already!