Adam Levine, Alyssa Milano, Anastacia, former O-Town star Ashley Parker Angel, Britney Spears, Brooke Hogan, Carmen Electra, Christina Aguilera, Clive Davis, Fiona Apple, No Doubt star Gwen Stefani, Jason Mraz, Jennifer Love Hewitt, Jesse McCartney, Christina Aguilera and Jordan Bratman, Kelly Clarkson, Kevin Federline, Kimberley Locke, L.A. Reid, Laura Pausini, Madonna, Mariah Carey, Mario Vazquez, Michelle Branch, Natasha Bedingfield, Nikka Costa, Pamela Anderson, Paris Hilton, Paul McCartney, Paula Abdul, Randy Jackson, Rob Thomas of matchbox twenty, Sheryl Crow, Tyler Hilton, Tyra Banks, and Vanessa Carlton 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 ShootingStar, FilmMagic, RexFeatures, GettyImages, and Corbis (event / after parties). Check out video from CBS News and Yahoo! Music below.