Ashlee is a mom to three children Bronx, Jagger, and Ziggy.

Simpson toldTodaythat when you become a mother, life as you know it changes in an instant.

Life is so good with the kids."

Ashlee Simpson Ross and Evan Ross with their children

They not only got married but also welcomed their firstborn son, Bronx Mowgli.

“I think it’s important to listen and to give people balance.”

Now a teenager, Bronx is taller than his parents.

Bronx Simpson walking with his mom Ashlee

““He towers over me.

He’s really chill though so I’m lucky for that.

He’s like a good kid.”

Ashlee Simpson and daughter Jagger smiling

She said his voice is deep and he has grown up so quickly.

Bronx had grown up with a blended family on both sides.

Simpson’s husband Evan Ross remains an involved stepparent to Bronx.

Ziggy Blu Ross sitting on a bed

“I’ll have to catch her because she might draw across the whole picture.

She’s just an artist, and she’s got an amazing voice.”

Jagger has begun modeling alongside her famous mom.

She modeled for the collection and so did Jagger (viaPeople).

In another Jagger is dressed in light pink overalls while holding a rotary receiver.

Simpsonshared his birth announcement online, writing “ZIGGY BLUE ROSS Our sweet boy has arrived!

I’m over the MOON we are so Blessed!”

She said that big brother Bronx came up with Ziggy’s middle name Blu.

Ashlee shared an issue that is so common among mothers.

“Luckily, he was still gaining weight but I was left feeling confused and guilty.”

Ziggy is past the breastfeeding stage now and as of this publication, remains Ashelee’s youngest.