CW Philly Grammy Awards 2012: Red Carpet February 16, 2012 / 4:44 PM EST / CBS News Marsha Ambrosius Adele Ledisi Carrie Underwood Katy Perry Gayle King Adam Levine and Anne V Rihanna Amber Rose Nicki Minaj Nicki Minaj Nicki Minaj Rihanna Common Bruno Mars Kelly Rowland Taraji P Henson Fergie Rihanna Taylor Swift Lupe Fiasco Wiz Khalifa and Amber Rose El DeBarge Diana Ross LL Cool J Kelly Price Esperanza Spalding John Legend Quest Love