Jessica Biel shares the secret to her toned physique

Jessica Biel has shared the secret to her incredibly toned physique as she revealed her intense exercises in a new workout video shared to her Instagram. The Hollywood actress, 43, who is married to Justin Timberlake, was dubbed a 'beast' after she shared her arm and back workout with her 14 million followers. Dressed in black leggings and a jumper, Jessica was seen pulling herself up with exercise rings while wearing a resistance band and elevating her legs.