 Performers and guest appearance included Brandy, Maryse Ouellet, The Miz, Carrie Underwood, Luke Bryan, Tim McGraw, Lou Ferrigno, Eva Simons, Max Adler, Paula Abdul, Khloé Kardashian, Alison Sweeney, Diana DeGarmo and B.o.B, among others.Additional guests appearing in pre-recorded segments from CBS Television City in Hollywood, taped August 7 to August 9, 2012, included OneRepublic, Brandy, The All American Rejects, Hot Chelle Rae, Karmin, will.i.am, Big Bad Voodoo Daddy, Silhouettes, Carole King, Reagan Imhoff, Pitbull, Gavin DeGraw and Alanis Morissette, among others.Portions with country artists were recorded at the Grand Ole Opry in Nashville, Tennessee.