Being a mom is no easy task. But being a single mother presents its own unique set of challenges. You're forced to take on the roles of mother and father; good cop and bad cop. You don't have anyone who can tag in and take over when things are overwhelming. And mere mortals are not the only ones who face the challenges of single motherhood. There are a number of celebrities who are single moms, that deal with the same issues as everyday women. Let's take a look at some of these single celebrity mothers.