Amber Riley And Derek Hough's Dancing Stare Off With Elizabeth Berkley And Val Chmerkovskiy

Access Hollywood 3:30 mins

Amber Riley and Derek Hough get into a staring competition with Elizabeth Berkley and Val Chmerkovskiy. Plus, Derek tells why he felt nervous for his sister Julianne Hough, who was guest judge. So, how would he score her judging abilities?

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