In this handout photo provided by AEG/Microsoft Theater, A general view of the exterior at Microsoft Theater after new signage is installed on June...
Singer Kelly Rowland attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Actor David Hasselhoff with television personalities Stephanie Pratt, Kristin Cavallari and Stacey Hall attend KIIS FM's 2010 Wango Tango Concert at...
Actor David Hasselhoff with television personalities Stephanie Pratt, Kristin Cavallari and Stacey Hall attend KIIS FM's 2010 Wango Tango Concert at...
Actor David Hasselhoff with television personalities Stephanie Pratt, Kristin Cavallari and Stacey Hall attend KIIS FM's 2010 Wango Tango Concert at...
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Bobby Ray of B.o.B. Performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Bobby Ray of B.o.B. Performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Adam Lambert performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Bobby Ray of B.o.B. Performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Bobby Ray of B.o.B.performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Justin Bieber performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ke$ha performs at KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Ke$ha attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Ke$ha attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Ke$ha attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Ke$ha attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Usher attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ludacris attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Usher attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Ludacris attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Usher attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singers Justin Bieber and Usher attend KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singers Justin Bieber and Usher attend KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Actor David Hasselhoff attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Kelly Rowland attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Justin Bieber attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Akon, Kelly Rowland and David Guetta attend KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Singer Justin Bieber attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
Hayley Hasselhoff attends KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on May 15, 2010 in Los Angeles, California.
David Hasselhoff with his daughters Hayley Hasselhoff and Taylor Hasselhoff attend KIIS FM's 2010 Wango Tango Concert at Nokia Theatre L.A. Live on...
Wonder Girls pose at their worldwide album launch at The Conga Room at L.A. Live on May 15, 2010 in Los Angeles, California.
