The drama in the ballroom never ends! Perezcious readers know that this season of Dancing With the Stars has been pure chaos! In fact, sources went as far as to call it a complete "s**t show" backstage! Yikes! And it's all because of a couple of difficult celebrities, jealous pros, feuding stars, and more! Now, some of the professional dancers have had enough! According to The US Sun on Tuesday, two pros are threatening to leave the show after this season! WHOA! An insider explained that a "rivalry" between the newer dancers and veterans is happening on the "tense set.