Mila Kunis revealed her biggest 'parenting fail' with her daughter Wyatt, six, left her husband Ashton Kutcher shaking his head in disapproval.During an appearance on Ellen Digital's Mom Confessions web series, the 38-year-old Black Swan star revealed the regrettable advice she gave her little girl that would 'get [her] in trouble.'

'There was a little kid in my kid's preschool that wasn't very kind and pushed my daughter,' she said.'My daughter came back and was like, 'Such and such little kiddo pushed me.' And I instinctually said, 'Did you push her back?' And my daughter's like, 'No!' 

Then she admitted to telling her eldest to 'push her back next time.'  Then she admitted to telling her eldest to 'push her back next time.'  In retrospect, the mother-of-two concluded: 'I'd say that that's a parenting fail.'When asked to share how her daughter reminds her of herself, Kunis said they're basically the same person. 

'My daughter is me. She is independent and feisty and wonderfully smart and it is an incredible trait to have as an adult but really hard to wrangle as a kid,' the star raved. 'She has a million answers to one question and she's not wrong.' Kunis and Kutcher, who met as castmates on That '70s Show, also share a four-year-old son, named Dimitri Portwood. 

Over the summer, she made headlines for saying they only bathes their kids when they see dirt on them and avoid using soap on their own bodies.They discussed their family's approach to hygiene on the Armchair Expert podcast, which is hosted by Dax Shepard and Monica Padman. The conversation began when Dax told Monica that she should not be excising the natural oil on her skin by using soap every day.In response Monica replied: 'I can't believe I am in the minority here of washing my whole body in the shower. Who taught you to not wash?'

The Bad Moms actress then explained that she hardly ever had a shower during her childhood because they didn't have hot water at home.Mila, who was born in Soviet Ukraine, explained: 'I didn't have hot water growing up as a child, so I didn't shower much anyway.'She added: 'But when I had children, I also didn't wash them every day. I wasn't that parent that bathed my newborns - ever.'Ashton added: 'Now, here's the thing: If you can see the dirt on them, clean them. Otherwise, there's no point.'