Mila Kunis and Ashton Kutcher only bathe their kids when they ‘see the dirt on them’

Mila Kunis and Aston Kutcher have revealed the frequency with which they bathe their children (Getty Images)Mila Kunis and Ashton Kutcher have opened up about the frequency with which they bathe their children – and it might surprise you.The pair, who have been together since 2012, are parents to daughter Wyatt, six, and son Dimitri, four, and recently shared that they only bathe their children when they can physically see the dirt on them. And even when the youngsters, who the A-list