30 Seconds to Mars, Nick Hexum of 311, Bruce Springsteen, Carmen Electra, Chris Cornell and Tom Morello of Audioslave, Coldplay, Courtney Love, Death Cab for Cutie, Fall Out Boy, Foo Fighters frontman Dave Grohl, Institute singer Gavin Rossdale, Gene Simmons of KISS, Gorillaz, Green Day, No Doubt star Gwen Stefani, Keane, Linkin Park, Mudvayne, Pamela Anderson, Perry Farrell, Red Hot Chili Peppers, Rob Thomas of matchbox twenty, Shadows Fall, Shifty Shellshock, Slipknot, Static-X, Steve Vai, Steven Tyler and Joe Perry of Aerosmith, Shavo Odadjian from System of a Down, The Donnas, U2, and Scott Weiland and Matt Sorum of Velvet Revolver attended The 48th Annual Grammy Awards and/or various after parties on Wednesday (February 8) at Staples Center in Los Angeles, California. Check out pictures from FilmMagic (arrivals / pressroom / green carpet / EMI after party / G.O.O.D. Music after party / Sony BMG after party / Yahoo after party / Warner Music after party), RexFeatures (arrivals / Sony after party / Warner Music after party / William Morris Agency after party / EMI after party / G.O.O.D. Music after party), GettyImages (pressroom / show / Sony BMG after party / Warner Music after party / G.O.O.D. Music after party arrivals / EMI after party arrivals / EMI after party inside / William Morris Agency after party / Yahoo after party), and WireImage. Check out video from CBS News below the cut.