From Rick James to Mariah Carey to Justin Bieber, take a look back at the performers who helped the TV legend party it up
Credit: Dick Clark Media Archive
Updated: Tuesday Dec 27, 2011 | 01:00 PM EST
By: Kiran Hefa
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A year before the lovebirds went public with their romance, Justin Bieber serenaded Selena Gomez with "One Less Lonely Girl" in Las Vegas.
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