Pink, Patrick Dempsey, Gabrielle Douglas, McKayla Maroney, Kyla Ross1Bethenny Frankel, Kellie Pickler, the top four from "So You Think You Can Dance"6Eric Dane, Mike "The Situation" Sorrentino, Paul "Pauly D" DelVecchio, Ronnie Ortiz-Magro, Vinny Guadagnino, OneRepublic18Portia De Rossi, Jerry O'Connell, LL Cool J, Victoria Jackson & Ali Guthy31Actors Robert Pattinson and Taylor Lautner; actress Kirstie Alley44Actor Andrew Garfield; reality-TV stars Alison Eastwood and Donald Schultz; Ne-Yo performs.46Actress Keira Knightley; One Direction performs at an outdoor concert.48Actor Jesse Tyler Ferguson; an interview and performance by Kelly Clarkson51Actor Ray Romano; dancer Stephen ''tWitch'' Boss; Cirque du Soleil's Kiriki act perform.53Clint Eastwood, Carly Rae Jepsen and Justin Bieber's mom, Pattie Mallette203