Hilary Duff accidentally dyed her bright blonde hair green during hilarious ...

She's a mother to three children and has a successful, decades-long acting career.

And Hilary Duff was simply trying to unwind when she accidentally dyed her bright blonde hair pale green during a mix-up in the bathtub on Wednesday night. 

The 33-year-old actress lamented the mishap on Instagram as she sat on the couch to detail her bath time adventure.

Oops! Hilary Duff was simply trying to unwind when she accidentally dyed her bright blonde hair pale green during a mix-up in the bathtub on Wednesday night

Oops! Hilary Duff was simply trying to unwind when she accidentally dyed her bright blonde hair pale green during a mix-up in the bathtub on Wednesday night

'So I just took a bath and I put conditioner on my hair that I thought was for taking the brassiness out, like a purple condish,' she told her followers. 

'Turns out, it was leftover from when my hair was green, and now I turned my hair green again on accident.' 

Her best friend and Younger co-star Molly Bernard said in the background: 'Your perfect blonde hair ... green.' 

'It was not perfect, lets be honest,' she said. 'I swim everyday with my kids, but now it is truly green. It took about seven minutes of this hair mask sitting on my hair and ... it's great.' 

Oh no! The 33-year-old actress lamented the mishap on Instagram as she sat on the couch to detail her bath time adventure

Oh no! The 33-year-old actress lamented the mishap on Instagram as she sat on the couch to detail her bath time adventure

'So I just took a bath and I put conditioner on my hair that I thought was for taking the brassiness out, like a purple condish,' she told her followers

'So I just took a bath and I put conditioner on my hair that I thought was for taking the brassiness out, like a purple condish,' she told her followers

Bold and beautiful: Earlier this year, Hilary showed off bright blue tresses after dying her hair once Younger finished filming in New York

Bold and beautiful: Earlier this year, Hilary showed off bright blue tresses after dying her hair once Younger finished filming in New York

Bernard could be heard retelling the story when Hilary asked: 'Molly come up here?' She responded with, 'Is everything ok?' only for Duff to answer back: 'um no.'

Earlier this year, Hilary showed off bright blue tresses after dying her hair once Younger finished filming in New York.

The Lizzie McGuire star gave birth to her second daughter, Mae James, in March at her home with her family by her side.    

Duff, who also gave birth to daughter Banks at home more than two years ago, praised her support system for helping her bring life into the world and celebrated the 'magical, miraculous' journey that is motherhood. 

Incredible: Hilary Duff shared powerful images from her home water birth to daughter, Mae James, in March

Incredible: Hilary Duff shared powerful images from her home water birth to daughter, Mae James, in March

'Feeling ready to share some photos of Mae Mae’s birth day!!! For me to feel safe during birth and get to where I need to go, it’s crucial to

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