Glee Live! In Concert! At The Mandalay Bay Events Center

(L-R) Actresses Jenna Ushkowitz, Heather Morris, Dianna Agron, Naya Rivera, Amber Riley and Ashley Fink perform during the kickoff of the Glee Live! In Concert! tour at the Mandalay Bay Events Center May 21, 2011 in Las Vegas, Nevada.
(May 20, 2011 - Source: Ethan Miller/Getty Images North America)