VIDEO : Derek Hough Is Nervous For 'Hairspray Live'

?Crazy ? we?re shooting a full-length feature film, basically,? ?DWTS? pro tells TheWrap of tricky logistics Derek Hough will be plenty nervous tonight, but that doesn?t mean his ?Hairspray Live!? performance is going to show it. Of course, that doesn?t mean the live NBC musical will be without flaws. Statistically speaking, something probably will go wrong, the popular ?Dancing With the Stars? pro told us ? and that?s not a bad thing.