Nick Lazzarini and Kamilah Barrett's Season 1 disco routine

Song: "You Make Me Feel (Mighty Real)" by Sylvester James

Choreographer: Doriana Sanchez

Season 9 top 20 dancer Alexa Anderson: "Nick Lazzarini was my dance hero. He was the winner of Season 1. He was incredible. I still remember his disco. I remember being so happy and amazed while I was watching it."

Photos: Meet the top 20 | Bing: More about 'So You Think You Can Dance' | Video: Watch clips and more

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(FOX)