BONUS: Our first female ab workout to add to our Celebrity Ab Workouts! We've actually seen a handful more than that list (like this one for example), but that's a great starting place. We have also hit a ton of the best Celebrity Circuit Workouts if you're interested in those as well. We actually just saw an updated variation to Jennifer Aniston's workout routine, so here's what we have for her, not including this one: Our original Jennifer Aniston Workout Routine and Diet Plan Jennifer Aniston Workout Routine Updated for 2020 Aniston was a huge case study in my book