It seems like it was just yesterday that Ashlee Simpson gave birth to her son Bronx, but yesterday (July 11) she was spotted dropping him off for his first day of pre-school. The “Pieces of Me” singer looked lovely in a white linen dress teamed with a long silver tassel necklace as she carried her boy inside the Sherman Oaks, California school, though Bronx didn’t look too pleased to see his mommy leave. In relationship news, Ashlee is still going strong with her new main squeeze, actor Vincent Piazza, as evidenced by their recent hot date

She’s never one to miss out on a fabulous fete, and last night (June 21) Ashlee Simpson was in the house for the I “Heart” Ronson Collection shindig in Hollywood, California. The “Pieces of Me” songstress looked super cute with her short blonde ‘do, lacy black top and long printed skirt as she strolled inside the Roosevelt Hotel

Gathering together over the holiday weekend for a family photo shoot, Jessica and Ashlee Simpson joined forces in Beverly Hills, CA on Saturday afternoon (May 7). The Simpson sisters were joined by Jessica’s fiance, Eric Johnson, as well as Ashlee’s young son, Bronx, while heading inside to pose for a round off Mother’s Day weekend portraits. The outing comes just a few days after Jessica made an appearance on “The Oprah Winfrey Show” – during which she surprised seven lucky ladies with full prom wardrobes from the Jessica Simpson collection.

Filed under: Pete Wentz , Break-ups Pete Wentz flew to Japan for some event on Friday … but left his wedding ring at home

Filed under: Ashlee Simpson , Pete Wentz , Celebrity Justice , Dirty Divorces Ashlee Simpson filed for divorce because she can’t handle Pete Wentz ’s crazy behavior …

Making for quite the adorable trio, Ashlee Simpson , Pete Wentz and their son Bronx were spotted making a stop at a CVS store in New York City on Tuesday (November 23). Gearing up for the Thanksgiving holiday, the “Pieces of Me” mommy and her “Fall Out Boy” hubby looked to be in good spirits as they quickly made their way out of the store for a few needs as Ashlee toted their little one in her arms. Later in the day, Miss Simpson took to her Twitter wall to send her sister some love, as she wrote, “@JessicaSimpson listening to your new xmas record.

Out for another day of family fun, Ashlee Simpson and hubby Pete Wentz were spotted out with Bronx in Encino, CA on Saturday (October 23).

Ending the weekend with a summertime party, a handful of stars were spotted heading to a private fete in Los Angeles, California on Sunday (August 15). With Lauren Conrad among the partakers, the former MTV reality star was joined by the always adorable trio of Ashlee Simpson , Pete Wentz and their son Bronx Mowgli. Keeping busy since making their way back to the west coast, Ashlee, Pete and Bronx are fresh off of a family trip to New York City

Making for quite the adorable trio, Pete Wentz, Ashlee Simpson and their son, Bronx Mowgli Wentz, stepped out in Los Angeles, California on Saturday (July 31). With the “Fall Out Boy” rocker toting his young son in his arms, the happy family proceeded on to a local park to treat their growing boy to an afternoon of outdoor activity.