Being a young mom in Hollywood can be tough – but at least it means you’ve still got the genes to shed your pregnancy pounds quickly. Ashlee Simpson recently revealed to Celebrity Baby Blog that she was able to lose the weight quickly after giving birth to Bronx Mowgli, thanks to her age and her genes. We’re sure Jessica Simpson will be thrilled to hear that her sister is out bragging about how easy it is for a Simpson girl to lose weight…

Ashlee Simpson says she was prepared to have to work over-time to take the baby weight off, but that’s not the way it panned out. Said Simpson, “After I had Bronx I lucked out. I mean, I’m 24-years-old, [I have] the genes from my mother and I did work out for three months.”

Now that she’s back in skinny fighting form, and spending much of her time on the new “Melrose Place” set, Ashlee Simpson depends on Bronx’s grandmothers to step in and baby-sit. She says that her mother-in-law Dale has given her, “great advice on his sleeping schedule,” and that her mother, Tina, spends time with her and Bronx on a “daily basis.” Said Simpson, “[My mom] is an amazing grandma, they both are.”

Next up, Ashlee’s team of grandmothers will likely have to step up and help Ashlee deal with Bronx’s teething phase. Said Ashlee, “Right now Bronx’s got six teeth that just appeared. First two, then four, and now six in just a few days!”

Wow, Ashlee Simpson really has gotten the boring mom thing down, meaning she’s already telling the sorts of stories that make people want to kill themselves at cocktail parties. But we guess she can look on the bright side – being a mom is likely to keep her out of trouble. Maybe, Lindsay Lohan needs a baby! (You’re welcome in advance Linds, for the great advice.)