Topix — Visitors to Staples Center and the adjacent L.A. Live plaza were treated to an unannounced free concert Friday when Justin Bieber took to an outdoor stage to rehearse his performance for Sunday's MTV Video Music Awards. more info

Perez Hilton — Amazeballs! Lady GaGa will be on the season premiere of The Ellen DeGeneres Show on Monday, September 13 straight from the VMAs along with Katy Perry, Justin Bieber, Justin Timberlake and Chelsea Handler. Sounds like a FANTASTIC show! Way to come bac... more info

MTV.com News — Gym Class Heroes frontman will perform with house artist deadmau5.By Kelley L. Carter Travie McCoy and Deadmau5 rehearse for the 2010 VMAs Photo: John Shearer/ WireImage Travie McCoy is about to get his rock star on. We caught up with the ... more info

MTV.com News — 'I couldn't have written a better story if I tried,' the singer tells MTV News.By Jocelyn Vena, with reporting by Tim Kash Jason Derülo Photo: MTV News Double VMA nominee Jason Derülo is pretty jazzed for Sunday's MTV Video Music Awards, ... more info

MTV.com News — 'Billionaire' MC, who'll hit the stage with house artist deadmau5, is most excited to see Em's opening performance.By Kelley L. Carter Travie McCoy Photo: MTV News While Travie McCoy fans are no doubt excited to see him perform at the VMAs,... more info

MTV.com News — The Black Eyed Peas frontman and the Young Money MC will perform 'Check It Out' Sunday night at 8 p.m. ET.By Mawuse Ziegbe will.i.am Photo: David Livingston/Getty Images How do you make the MTV Video Music Awards debut of Nicki Minaj, one o... more info

MTV.com News — 'I used to like her,' reality star teases about VMA host.By Jocelyn Vena, with reporting by Rya Backer Kim Kardashian and Justin Bieber Photo: Larry Busacca/ Getty Images Everyone loves a good catfight, and it seems like one just might happ... more info

MTV.com News — Best New Artist nominee pulls out all the stops for performance.By Jocelyn Vena Justin Bieber rehearses for the 2010 VMAs on Friday Photo: Sohyung Kang/ MTV News LOS ANGELES -- Justin Bieber, surrounded by his band and dancers, went virtual... more info

Big Apple Music Scene — We know New York’s fashion week just started, but come 8:00, the best part will be over, thanks to a special rendition of Money Can’t Buy You Class by Countess LuAnn (@CountessLuAnn). Every day is great when you learn you’re above the law, Jus... more info

CNN Showbiz — Contrary to Justin Bieber's hit single, "U Smile," Maryland state troopers were anything but grinning at the singing sensation before he took the stage at the state fair last Sunday. more info