MTV.com News — Perry got snippy with Kara DioGuardi, which was the only interesting thing about Tuesday's show.By Gil Kaufman Katy Perry and Simon Cowell on "American Idol" Tuesday Photo: Fox Katy Perry and Avril Lavigne know exactly what it's like to ha... more info

AngryApe — She partied hard with friends in Sin City more info

ContactMusic — Avril Lavigne went on a girls-only trip to Las Vegas.The 'Girlfriend' singer - who filed for divorce from her estranged husband Deryck Whibley in October 2009 -... more info

Perez Hilton — What else does she have to do?! Now that she's single, Avril Lavigne has no problem pAArtying it up for a whopping five days in Vegas! “All she wanted was a girls’ weekend,” said a source. “She had a strict no-boys-allowed r... more info

Altsounds — COMMUNIQUÉ Avril Lavigne is a bitch. When she's not gloating about her totally undeserved success or berating and sneering at young mothers, she is attempting to steal men from loving happy relationships. Do not worry. Everybody Was In The... more info

Streetkiss Music — Les Inrocks commencent l'année sur les chapeaux de roues avec une première soirée Custom à la programmation des plus alléchante ! Le groupe originaire de Chicago et Washington DC Ok Go (que je vous avais présenté un dimanc... more info

Stereogum — In 2005 Eddie Argos took Art Brut to the top of the pops, lyrically anyway, as indie rock's thick-browed sardonic clown prince. It wasn't about singing, it was talking to the kids, with acerbic cheek and barbed wit, so much so that Berlin Universi... more info

Pop Justice — Eyes down, look in: » The penis belonging to Oritse from JLS has been given a name by the band's other members. They call it Hancock. (Daily Star) (http://www.dailystar.co.uk/goss/view/117540/JLS-nickname-Oritse-s-manhood/) » Today is 'Blue Mon... more info

Streetkiss Music — Salut salut, Comme chaque semaine, j'ai écouté beaucoup de musique, pas mal de petites nouveautés bien sympathiques, mais je les gardes sous le coude pour le moment car ce soir je vais revoir sur scène une artiste que j'affectionne... more info

The Late Greats — I know it is hard to believe but Eau Claire, Wisconsin is one of the hottest music towns right now. And I’m not just saying that because one half of Coconut and The Duke live there. You’ve got Bon Iver, The Daredevil Christopher Write a... more info