PopSugar — Big-hearted stars of all ages got together for a sunny afternoon in LA yesterday at the 20th annual A Time For Heroes Celebrity Carnival to support the Elizabeth Glaser Pediatric AIDS Foundation. Ashlee Simpson and Pete Wentz brought Bronx to his fir... more info

Perez Hilton — Now it's his turn to act out! Sources reveal exclusively to PerezHilton.com that Pete Wentz lost his temper when a photog snapped a picture of him and wifey Ashlee Simpson at his 30th birthday party in Las Vegas Saturday night at The Bank Nightclub. ... more info

PopSugar — Ashlee Simpson had a huge grin to match her large shopping bag while hitting the stores in LA with a friend on Thursday. Later on that night she joined Pete Wentz and Nicole Richie for their runway show party together. They also had another reason to... more info

PopSugar — Nicole Richie and Pete Wentz got together to show off their respective lines at a combined House of Harlow and Clandestine Industries show in LA last night. After posing together on the red carpet, they were joined inside by their significant others... more info

PopSugar — Ashlee Simpson was straight faced as she stepped out after dinner with a friend at Il Sole in LA last night. It's been a busy week of nightlife for the actress, though things took a dramatic turn at Monday night's DJ Hero launch party. Ashlee apparen... more info

VH1 News — Ashlee Simpson and "Gossip Girl" star Michelle Trachtenberg reportedly got into a spat over Simpson's husband, Pete Wentz, for which Simpson has apologized. more info

MTV.com News — Pair reportedly bickered over Simpson's husband Pete Wentz at 'DJ Hero' event Monday.By Jocelyn Vena Ashlee Simpson at the "DJ Hero" event in Los Angeles on Monday Photo: Kevin Mazur/WireImage On Wednesday, reports emerged that at the "DJ ... more info

Jam! Showbiz Music, Canada — Ashlee Simpson has apologized to her husband's ex-girlfriend Michelle Trachtenberg after launching a vicious verbal attack on the actress at party in Los Angeles on Monday night. more info

PopSugar — Spencer and Heidi are officially back on I'm a Celebrity and used decoys to stage airport arrival at LAX - Us Weekly Sacha Baron Cohen is being sued for allegedly crippling a woman - Popeater Eddie Cibrian's wife said Leann Rimes is a stalker - Cel... more info

Perez Hilton — Poppa Joe won't be happy to hear this! Multiple impeccable sources reveal exclusively to PerezHilton.com that a very nasty altercation went down between Ashlee Simpson and Michelle Trachtenberg at the 'DJ Hero' party at LA's Wiltern Theater on Monday... more info