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

People.com — The new couple continue to make their romance public at a benefit event in L.A. - and then on Twitter more info

Big Apple Music Scene — The stars were out last night to support multiple sclerosis research at the 17th Annual Race to Erase MS gala. Avril Lavigne (who performed during the event) and boyfriend Brody Jenner were there, and Brody posed on the red carpet with his mom Linda ... more info

411 Mania — An interesting choice of tattoo... more info

Perez Hilton — Ugh. How DOUCHEY can these two get?! A strung-out Avril Lavigne and her current squeeze, Brody Jenner, apparently rolled into a tattoo parlor in Hollywood this week to once again show the world what true love really is - by getting more matching tat... more info