'Dancing With the Stars': Nicole Scherzinger knows she was naughty

Nicole Scherzinger and Derek Hough know they were naughty this week. They know they broke the "Dancing With the Stars" commandments but they just couldn't help it.

Besides, they were just having fun! And so was the audience, watching their adorable, light-hearted, '30s style romp with a touch of slapstick thrown in on Monday (April 5) night.