Singer Katy Perry
Jenny McCarthy Ribbon Cutting
Singer Nick Jonas
Singer Carly Rae Jepsen
Comedian Brad Garrett
Rapper Lupe Fiasco
Singer Akon
Television personality Holly Madison and "Lucy"
Electronic Duo LMAFO
Singer Britney Spears
Singer "Weird Al" Yankovic
Singer Olivia Newton-John and Didi Conn
Model Carmen Electra
Rick Nielsen and Robin Zander of Cheap Trick
Singer Roger Daltrey of The Who and television personality Rick Harrison
Singer John Legend
Singer Scott Weiland of the Stone Temple Pilots
Singer Taylor Swift
Paris Hilton
Rapper 2 Chainz
Recording artist Macklemore
DJ Alesso
Singer Bebe Rexha