Wow, talk about a random group of people! Former "America's Got Talent" judge David Hasselhoff chatted up "The Hills" hotties Stephanie Pratt, Kristin Cavallari, and Stacie "the bartender" Hall, presumably about the pitfalls of life on reality TV. Mark Sullivan/WireImage.com - May 15, 2010
Celebs Rock Out at Wango Tango
Ke$ha, Usher, Justin Bieber, and more perform and walk the red carpet at the annual concert in LA.