Buzz Bites (8/9/10): Lady Gaga, Arcade Fire And Green Day Rock Lollapalooza

(Credit: Erika Goldring/FilmMagic)

+ As you can see from the above pic, Lady Gaga did some meeting and greeting with fans during her Friday night slot at Lollapalooza. Arcade Fire, Green Day and Soundgarden also top-lined the three-day festival. (MTV News)

+ Katy Perry really wigged out in these Teenage Dream promo photos. (Idolator)

+ Christina Aguilera's manager insists that nobody is giving up on the singer's underperforming Bionic album. (ThatGrapeJuice)

+ Looks like Lea Michele will be singing "Baby One More Time," on the Britney Spears episode of "Glee." (JustJared)

+ Pras is not supporting Fugees bandmate Wyclef Jean's run for Haiti's presidency. (Prefix)