During a group date in Week 6 of 'The Bachelor' Arie and the bachelorettes are overwhelmed by excitement at the Moulin Rouge. Even more daunting is the prospect that whoever gets a rose during this date will perform on stage with Arie. Watch this sneak peek to see how the bachelorettes handle their dance rehearsal at the infamous Parisian nightclub. Watch 'The Bachelor' Mondays at 8|7c on ABC.