Ashlee Simpson’s Birthday Boy Bronx

She’s had quite a year as she’s settled into marriage and motherhood, and Ashlee Simpson says she’s loved being a mom.

Spotted out shopping with Pete Wentz and their son Bronx Mowgli at Dragon Books in Los Angeles earleir today (November 20), the “Pieces of Me” songstress confessed that having a little one “is the most fantastic experience I have ever been through,” adding that the one-year-old (who celebrates his birthday today) makes her “laugh and smile every day.”

Ashlee’s sister Jessica took to her Twitter page this morning, saying, “Happy Birthdya to my precious angel on earth!!!  Bronx is 1 today!!  I LOVE HIM SO MUCH!!!  I can’t believe it has been a year already.”

Proud papa Pete Wentz tweeted, “Happy birthday bx. you dont have twitter and cant read this.  Thanks to all my friends that recorded lullabies. cant believe its been a year.”