Just the tonic! Reese Witherspoon sips on a healthy juice as she heads to her morning yoga session

She has remained one of Hollywood's most in-demand beauties.

And Reese Witherspoon showed just how she keeps so fit as she was spotted grabbing a healthy juice on her way to yoga class. 

On Monday, the 40-year-old beauty looked chipper as she made her way to a sweaty limb bending session in Los Angeles.

Morning sweat! On Monday, Reese Witherspoon, 40, looked chipper as she made her way to a yoga session in LA

Morning sweat! On Monday, Reese Witherspoon, 40, looked chipper as she made her way to a yoga session in LA

Reese showed off her toned arms in a grey, cut-off T-shirt, complete with the phrase, 'mind, body & soul' written on it.

The Draper James founder added a pair of cropped, black leggings and bright pink trainers.

To complete her look, Reese accessorized with white-rimmed shades delicate earrings and a studded cell phone case. 

Fit mum: The mother-of-three showed off her toned arms in a grey, cut-off T-shirt, complete with the phrase, 'mind, body & soul' written on it

Fit mum: The mother-of-three showed off her toned arms in a grey, cut-off T-shirt, complete with the phrase, 'mind, body & soul' written on it

The Oscar-winning actress has been keeping busy with her TV project, Big Little Lies.  

The show, based on the book by  Liane Moriarty, stars a slew of big-name talent including Nicole Kidman, Laura Dern, Alexander Skarsgard, Zoe Kravitz  and Shailene Woodley.

It is set to premiere on HBO in 2017. 

The essentials: The Draper James founder added a pair of cropped, black leggings and bright pink trainers

The essentials: The Draper James founder added a pair of cropped, black leggings and bright pink trainers

Aside from her TV show, Reese's voice will be heard in the animated comedy, Sing, set to hit theaters on December 21. 

Reese also has three projects in the works, which will surely keep her busy throughout next year.

She'll star in Home Again, alongside the Disney projects, Tinker Bell and Wish List.  

Working woman: The Oscar-winning actress has been keeping busy with her TV project, Big Little Lies. She is pictured with husband Jim Toth in Venice on Sunday 

Working woman: The Oscar-winning actress has been keeping busy with her TV project, Big Little Lies. She is pictured with husband Jim Toth in Venice on Sunday