Dick Clark: 40 Years of New Year's Rockin' Eve

From Rick James to Mariah Carey to Justin Bieber, take a look back at the performers who helped the TV legend party it up

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2010: J.LO & RYAN

At the behest of host Ryan Seacrest, Jennifer Lopez marked the start of 2011 with a live performance from Times Square, donning a curve-hugging catsuit that Seacrest said "made my year."