and this one, victoria beckham. and pamela hand anderson is rumored to have changed her tommy tattoo to mommy. in fact mom tats are a huge trend. hundreds of readers sending in tattoos they have gotten to commemorate their children. the remarkable thing about mom tattoos is how universal they are, not just happening in hipster enclaves, on the coasts they are across the united states. reporter: the pew research center found 35% of 20 to 40-year-olds have at least one tattoo. including homer simpson. my tramp stamp. i got the idea from a show where people regret these. reporter: we did hear from real moms with real regrets. you cannot wake up the next morning and remove it. reporter: most seem to wear their ink with pride, like christy, the sister of last season s bachelorette. i wouldn t consider myself alternative, i listen to pop music, watch reality tv. sort of like a normal,