Back to it! Makeup-free Elyse Knowles highlights her washboard stomach during a boxing workout just four months after giving birth

She only welcomed her first child in February, but Elyse Knowles is well and truly back into her fitness routine.

The 28-year-old showcased her impressively lean post-baby body during a boxing class at her local gym in Byron Bay on Friday.

The makeup-free model showcased her washboard abs in grey shorts and a black crop top while snapping a post-workout mirror selfie for Instagram.

Back to it! Model Elyse Knowles highlighted her washboard stomach during a boxing class at her local gym in Byron Bay on Friday, just four months after giving birth

Back to it! Model Elyse Knowles highlighted her washboard stomach during a boxing class at her local gym in Byron Bay on Friday, just four months after giving birth

An exhausted-looking Elyse captioned the photo: 'Back to boxing. DEAD.'

It comes after she shared another fitness video to Instagram on Tuesday. 

The clip, which was recorded at a Pilates studio, highlighted Elyse's strength as she pulled herself up on metal bars with her ankles resting in straps.

Toned: It comes after the model shared another fitness video to Instagram on Tuesday

Toned: It comes after the model shared another fitness video to Instagram on Tuesday

The former Block winner drew attention to her athletic frame in a yellow crop top and black shorts, and swept her blonde hair into a topknot.

'Getting my strength back, not for you, just for me,' wrote Elyse, who often praises the mental-health benefits of exercise.

'Last week with no restrictions,' she added for clarification.

Superwoman! The clip, which was recorded at a Pilates studio in Byron Bay, highlighted Elyse's strength as she pulled herself up on metal bars

Superwoman! The clip, which was recorded at a Pilates studio in Byron Bay, highlighted Elyse's strength as she pulled herself up on metal bars

Elyse, who is already back to work, recently said she feels no pressure to lose weight following the birth of her son, Sonny.

'To be honest, I really don't care. This is me, this is my mum body now. I'm completely confident, happy and relaxed. I don't have time to worry about that stuff anymore,' she said.

She thrilled fans last month when she shared the stark reality of motherhood and how it compares to her life 'pre baby'.

Before and after: The model thrilled fans last month when she shared the stark reality of motherhood and how it compares to her life 'pre baby'
New normal: Elyse posted a series of pictures on Instagram that contrasted how she looked prior to her son's arrival with her appearance now (pictured)

Before and after: The model thrilled fans last month when she shared the stark reality of motherhood and how it compares to her life 'pre baby'

Elyse posted a series of pictures on Instagram that contrasted how she looked prior to her son's arrival with her appearance now.

'Pre baby glow vs "holy s** t I'm a milking cow with my eye balls hanging out of my head". But love every second of it,' she captioned the post.

Elyse and her fiancé, Josh Barker, welcomed Sonny on February 25.

Growing family: Elyse and her fiancé, Josh Barker (right), welcomed Sonny on February 25

Growing family: Elyse and her fiancé, Josh Barker (right), welcomed Sonny on February 25

Elyse Knowles flaunts washboard stomach four months after giving birth

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