Jessica Biel responded to fans who loved her white dress from The Better Sister — and shared that her ultra-toned appearance is "not maintainable" In a bluntly honest TikTok, Bi

Jessica Biel demonstrates her exercise routine on social media while being transparent about the rigid lifestyle required to maintain the toned physique.

Having made everyone feel a little bit better about themselves, she went on to say that she is “trying to get a little bit back towards that shape” and shared some of the workouts — courtesy of Pilates guru Ashley Brown — that gave her that delectable derriere.

Viewers of the new Prime Video series "The Better Sister" aren't just enjoying the twists and turns of the show's murder mystery storyline. Some fans were a little distracted by Jessica Biel's impressively toned arms and back in the show,

Hold dumbbell or kettlebell high up into chest. Step right leg forward and out. Lower back leg down until both knees are bent to 90 degrees. Push off front leg to return to standing. Step that same leg back, lowering the front leg down until both knees are bent to 90 degrees.

Jessica Biel opened up about how her approach to staying in shape has evolved as she gets older. Biel, 43, took to TikTok on Thursday, July 10, to answer a fan question about her viral white dress ensemble on Prime Video’s The Better Sister.

The "Cry Me a River" singer posted a video on his Instagram on July 13, showing his wife struttin' her stuff and showing off her outfit to him.

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.