Boxing and martial arts are also part of Jessica Biel's workout routine , which she says also includes a lot of yoga. "Yoga is a constant for me because it keeps my muscles long and flexible," she ...

Some "Better Sister" viewers commented on Jessica Biel's toned arms and back while wearing a white dress. In a video, Biel shares the workout moves she uses.

Jessica Biel—who tied the knot with Justin Timberlake in 2012—got candid about staying fit while growing older and how she achieved that Better Sister look.

The internet can't seem to keep Jessica Biel's name out of its mouth. Thanks to the buzz around her white dress in "The Better Sister," everyone and their mother is dying to know her workout routine.

Jessica Biel’s Lower-Body Workout Routine Barbell Hip Thrust How to: Sit with feet flat on floor in front of couch, workout bench, or stable chair. Rest shoulder blades directly across the surface.