‘Dirty Dancing’ star Jennifer Grey looking like a million bucks, heads into the ‘Dancing With The Stars’ studio to rehearse with partner, two- time champion Derek Hough. The dancing duo who are in top place look to be the ones to beat this season, while Mike ‘The Situation’ Sorrentino who picks up grenades on the Jersey Shore, is hanging on for dear life with top teacher Karina Smirnoff.