"A dysfunctional family is any family with more than one person in it," best-selling author Mary Karr once wrote. Naturally, nobody is exempt from family disputes—not even those who put on their best smiles to grace the red carpet.For actors and singers, being connected to their emotions is essential in their profession. This allows them to turn these unfortunate personal stories into art, whether by drawing inspiration for a song or delivering a powerful performance for a challenging movie role.Many celebrities have spoken openly about the problematic relationships they had with one or both of their parents, sometimes leading to legal battles. While some have found a path to forgiveness as they grew older, others were left with valuable lessons on how not to treat their own children.Below, Bored Panda invites you to explore 20 stories of celebrities who have or had a tumultuous relationship with their parents.