Dancing with the Stars: Behind the Scenes!J.R Martinez wigs out! Rob Kardashian & Derek Hough re-enact Lady and the Tramp! See how the contestants goof off when they're not on the parquet!

IN THE BAG

She's got everything except a (super sparkly) kitchen sink! "What's left of this evening at #DWTS," Tweeted Ricki Lake. "My shoes, thong, mini mirror ball, and Ice pack. Says it all, no?"