411 Mania — They don't seem to like each other... more info

ContactMusic — LINDSAY LOHAN has denied reports linking her to an argument with AVRIL LAVIGNE during a recent night out in Los Angeles.Reports suggested Lohan approached the Sk8ter... more info

Big Apple Music Scene — I had to keep checking back to make sure this story wasn’t from 2003, but nope, it’s current: Avril Lavigne and Lindsay Lohan got into a screaming match at the Chateau Marmont. Something about an old snub, maybe Brody Jenner was involved somehow?... more info

Perez Hilton — MEOW! Avril Lavigne and Lindsay Lohan got into quite the tiff at the Chateau Marmont! An eyewitness says: "Avril was at a table with friends just over a week ago including her boyfriend, Brody Jenner, when Lindsay came over to say hi. But as soon ... more info

Pop Crunch — Lindsay Lohan has now locked horns with punk princess Avril Lavigne after the pop star publicly called her a “loser” in a public brawl at Hollywood’s Chateau Marmont a few weeks ago. One tipster tattles that the shouting match started when Loha... more info

Dlisted — Michael Lohan, E*Trade, sanity and soap aren't Lindsay Lohan's only arch rivals. Apparently, the pride of Canada Avril Lavigne is also feeling the wrath of Blohan (feels like a hot bath in the Rock of Love Bus septic tank). Page Six says th... more info

ContactMusic — Avril Lavigne reportedly had a screaming row with Lindsay Lohan last week.The Canadian singer and the 'Mean Girls' star were both at popular Los Angeles hotel... more info

People.com — • Katy Perry threw a party to debut her new single "California Gurls" - and the singer made sure she had her favorite treat with her: red velvet cake. Also there? Her fiancé Russell Brand and close pals who all fêted the new tune - and a friend's... more info

MTV.com News — 'I think you guys are gonna like it,' he says of 'Somebody to Love' clip.By Jocelyn Vena Justin Bieber Photo: MTV News Justin Bieber recently shot his latest music video for "Somebody to Love," the latest single off his album My World 2.0. ... more info

Perez Hilton — UGH. This is absolutely vom-inducing! The most irritating couple to ever emerge from the ashes of Hollywood douchedom, Brody Jenner and Avril Lavigne, have upped the 'ick' factor this morning by tweeting each other these sweet nothings! Avril wrote... more info