"Bronx is creative and sweet and he's got an old soul. And Jagger is the boss," Simpson said of her kids. "She's already like, ‘Give me the microphone and the shiny dresses and I am going to be [Grandma].'"
"She loves her [Grandma]," Ross added. "She wants to dress in glitter."
The couple themselves grew up in the spotlight. The grandma they are referring to is Evan's mom, music icon Diana Ross, and Ashlee is Jessica Simpson's little sister. Plus, the 33-year-old singer has put out three albums herself, though the last was released a decade ago in 2008.
So, how has it been raising their children in the limelight? "As long as you give your children love and they understand what's going on in the world and have compassion, I think it's not the hardest thing in the world," Evan expressed.
Ashlee added, "And being a mom is my number one thing in life. Our kids are incredible."
ET caught up with the couple at the 2017 American Music Awards, where they also dished on their daughter's musical talent. Watch below to hear what they said.