The Hills' Frankie Delgado, Stephanie Pratt, Kristin Cavallari, Stacey Hall and Brody Jenner arrived at KIIS FM's Wango Tango 2010 at the Staples Center on May 15, 2010 in Los Angeles, California.
Justin Bieber, Ke$ha and Adam Lambert all lined up to entertain a packed stadium Saturday, along with Ludacris, Usher and Akon.
Feeling left out, Brody Jenner? Frankie Delgado and Kristin Cavallari pose for photos with fans at the Staples Center, whilst Brody Jenner looks on.
Credit: Zimbio
Photos by Angela Weiss/Getty Images North America