Holding one of the biggest bashes of what’s already been an event-laden weekend, Rolling Stone’s Bacardi Bash: 150 Years of Rocking The Party went down in in Indianapolis, Indiana on Saturday night (February 4). Held at The Crane Bay, the guest list included “Twilight” actress Nikki Reed and her “American Idol” alum husband Paul McDonald, as well as actresses Alyssa Milano and Anna Faris , who brought her father Jack along for the Super Bowl soiree.

Celebrating her son Bronx’s third birthday, Ashlee Simpson was spotted out and about in Los Angeles last night (November 21). The “Pieces of Me” songstress was joined by both her ex-husband/Bronx’s dad Pete Wentz as well as her new main squeeze Vincent Piazza, making for an awkward outing. Ashlee and her boys all headed over to The Coop, a modern play space for both kids and adults before grabbing some food at Mexicali restaurant.

As the second annual Art Mere/Art Pere event took place in West Hollywood, CA on Thursday (October 6), plenty of art-loving celebrities gathered together at Smashbox Studios to check out the newest creations. Among the partygoers in attendance were Reese Witherspoon and her hubby Jim Toth, who posed alongside fellow Hollywood couple Matthew McConaughey and wife Camila Alves . Meanwhile, Jessica Lowndes arrived looking gorgeous in a navy dress and heels while Pete Wentz opted for a more casual look of jeans and a red jacket.

His marriage with Ashlee Simpson ended earlier this year, and Pete Wentz has moved on. The “Fall Out Boy” rocker was spotted leaving the Playhouse in Hollywood on Thursday night (September 22) with a mystery gal following close behind

Presented by Bing at Club Nokia, the pre-taped show featuring stars such as Ellen Pompeo , Camilla Belle and Armie Hammer will be aired on May 26th on Ion. Other attendees included award winners Hailee Steinfield, who was presented Breakthrough of the Year by Jeff Bridges while Michael Sheen gave Garret Hedlund the Actor of the Year trophy. With Elle Fanning , Eva Mendes, Isabel Lucas , Ariel Winter, BooBoo Stewart and Lucy Hale also among the attendees, the festive affair also featured a performance by Pete Wentz’s new band Black Cards.

Presented by Bing at Club Nokia, the pre-taped show featuring stars such as Ellen Pompeo , Camilla Belle and Armie Hammer will be aired on May 26th on Ion. Other attendees included award winners Hailee Steinfield, who was presented Breakthrough of the Year by Jeff Bridges while Michael Sheen gave Garret Hedlund the Actor of the Year trophy. With Elle Fanning , Eva Mendes, Isabel Lucas , Ariel Winter, BooBoo Stewart and Lucy Hale also among the attendees, the festive affair also featured a performance by Pete Wentz’s new band Black Cards

Not letting their marital collapse to influence their parental duties, Ashlee Simpson got together with ex Pete Wentz for a family day with their son Bronx in Los Angeles, CA on Thursday (April 21). The rocker family spent the day at the Travel Town Museum, where Bronx got the chance to see real trains and take a ride through the small park. Despite Ashlee and Pete’s differences, the former couple continue to do things as a family for the better good of their son Bronx.

Looking as if she may be gearing up to decorate a bachelorette pad, Ashlee Simpson spent the day browsing the offerings at a local furniture store in Los Angeles, California on Monday (March 14).

Filed under: Ashlee Simpson , Pete Wentz , Celebrity Justice , Dirty Divorces Pete Wentz does NOT want his soon-to-be-ex wife Ashlee Simpson to get primary physical custody of their 2-year-old son Bronx — as she’s requested — and now he’s taking her on in court … TMZ has learned